The product of two numbers is 6.4, if one of the factors is expanded to 10 times, and the other factor is expanded to 100 times, what is the product?
两个数的积是6.4，如果其中一个因数扩大到它的10倍，另一个因数扩大到它的100倍，积变成了多少．
<gadget id="calculator">6.4 * 10 * 100</gadget>
<output>6_400</output>

<result>6_400</result>