0.45 is enlarged by 10 times, which is equal to how much 45 is reduced.
0.45扩大10倍，等于45缩小多少．
<gadget id="calculator">0.45 * 10</gadget>
<output>4.5</output>

<gadget id="calculator">45 / 4.5</gadget>
<output>10</output>

<result>10</result>