How much to expand to 10 times the original, and then shrink to (1/100) is 6.88.
多少扩大到原来的10倍，再缩小到(1/100)是6.88．
<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">6.88 * 10</gadget>
<output>68.8</output>

<result>68.8</result>