A canteen buys a batch of flour, eats (1/5) on the first day, eats 40kg on the second day, eats the sum of the two days on the third day, and finally has 16kg left, how many kilograms is this batch of flour ?
一个食堂买回一批面粉，第一天吃了(1/5)，第二天吃了40kg，第三天吃的等于前两天吃的总和，最后还剩16kg，这批面粉有多少千克？
<gadget id="calculator">40 + 40 + 16</gadget>
<output>96</output>

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

<gadget id="calculator">(1/5) + (1/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">96 / (3/5)</gadget>
<output>160</output>

<result>160</result>