0.1 is enlarged by 10 times, subtracted from 0.1, and then reduced by 10 times, what is the result
0.1扩大10倍以后减去0.1，再缩小10倍，结果是多少
<gadget id="calculator">0.1 * 10</gadget>
<output>1</output>

<gadget id="calculator">1 - 0.1</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 / 10</gadget>
<output>0.09</output>

<result>0.09</result>