When two numbers are multiplied, one multiplier is multiplied by 10, and the other multiplier is multiplied by 20. The product obtained is equal to the original product multiplied by how much
两个数相乘，一个乘数乘10，另一个乘数乘20，得到的积等于原来的积乘多少
<gadget id="calculator">10 * 20</gadget>
<output>200</output>

<result>200</result>