In multiplication, one multiplier is multiplied by 10, and the other multiplier is multiplied by 20, and the product obtained is equal to the original product multiplied by how much
在乘法中，一个乘数乘10，另一个乘数乘20，得到的积就等于原来的积乘多少
<gadget id="calculator">10 * 20</gadget>
<output>200</output>

<result>200</result>