There is a basket of apples, distributed to kindergarten children to eat, the first time take out all (1/2) and 1, the second time take out the rest (1/5) and 4, the third time take out the rest (1/4) and 3 apples, take out the remaining (1/3) and 1 apple for the fourth time, then there is only 1 apple left in the basket. How many apples were there in the basket?
有一篮苹果，发给幼儿园小朋友吃，第一次拿出全部的(1/2)又1个，第二次拿出剩下的(1/5)又4个，第三次拿出剩下的(1/4)又3个，第四次拿出剩下的(1/3)又1个，这时篮里只剩下1个苹果了．篮里原来有苹果多少个．
<gadget id="calculator">1 + 1</gadget>
<output>2</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">2 / (2/3)</gadget>
<output>3</output>

<gadget id="calculator">3 + 3</gadget>
<output>6</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">6 / (3/4)</gadget>
<output>8</output>

<gadget id="calculator">8 + 4</gadget>
<output>12</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">12 / (4/5)</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<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">16 / (1/2)</gadget>
<output>32</output>

<result>32</result>