monkey picked a bunch of peaches, on the first day it ate one-seventh of the peaches, on the second day it ate one-sixth of the remaining peaches, on the third day it ate one-fifth of the remaining peaches 1. On the fourth day it ate a quarter of the remaining peaches, on the fifth day it ate one-third of the remaining peaches, on the sixth day it ate one-half of the remaining peaches, and there were still 12 peaches left peaches, so what is the total number of peaches eaten by the monkeys on the first day and the second day?
一只猴子摘了一堆桃子，第一天它吃了这堆桃子的七分之一，第二天它吃了余下桃子的六分之一，第三天它吃了余下桃子的五分之一，第四天它吃了余下桃子的四分之一，第五天它吃了余下桃子的三分之一，第六天它吃了余下桃子的二分之一，这时还剩12只桃子，那么第一天和第二天猴子所吃桃子的总数是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">12 / (1/2) / (2/3) / (3/4) / (4/5) / (5/6) / (6/7)</gadget>
<output>84</output>

<gadget id="calculator">84 * (1/7)</gadget>
<output>12</output>

<gadget id="calculator">84 - 12</gadget>
<output>72</output>

<gadget id="calculator">72 * (1/6)</gadget>
<output>12</output>

<gadget id="calculator">12 + 12</gadget>
<output>24</output>

<result>24</result>