There are two piles of stones, if 20 stones are taken from the first pile and put into the second pile, then the number of stones in the second pile is twice that of the first pile; if some stones are taken from the second pile and put into the first pile, Then the number of stones in the first pile is 6 times that of the second pile. Question: What is the smallest possible number of stones in the first pile?
有两堆石头，如果从第一堆中取出20块石头放进第二堆，那么第二堆的石头是第一堆的2倍；如果从第二堆中取出一些石头放进第一堆，那么第一堆的石头是第二堆的6倍．问：第一堆中最少可能有多少块石头？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">14 + 8</gadget>
<output>22</output>

<gadget id="calculator">22 / 11</gadget>
<output>2</output>

<gadget id="calculator">32 + 2</gadget>
<output>34</output>

<result>34</result>