In a multiplication formula, one factor is multiplied by 10, and the other factor is divided by 0.5, how many times will the product be.
在一个乘法算式中，一个因数扩大10倍，另一个因数除以0.5，积会多少倍．
<gadget id="calculator">10 / 0.5</gadget>
<output>20</output>

<result>20</result>