The product of multiplying two numbers is 316. If one of the factors is multiplied by 5 times and the other factor is multiplied by 2 times, what is the product of them?
两个数相乘的积是316，如果其中-个因数扩大5倍，另-个因数扩大2倍，它们的积是多少．
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">316 * 10</gadget>
<output>3_160</output>

<result>3_160</result>