The product of multiplying two numbers is 124. What is the product after one factor remains unchanged and the other factor is multiplied by 5 times?
两个数相乘的积是124，一个因数不变，另一个因数扩大5倍后，乘积是多少．
<gadget id="calculator">124 * 5</gadget>
<output>620</output>

<result>620</result>