Multiply two numbers, one factor is enlarged by 10 times, the other factor is reduced to the original (1/20), and the product is reduced to the original value
两数相乘，一个因数扩大10倍，另一个因数缩小至原来的(1/20)，积缩小至原来的多少
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10 * (1/20)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>