The product of two multipliers is 6.38. If one multiplier is enlarged to 5 times the original multiplier and the other multiplier is enlarged to 10 times, what is the product?
两个乘数的积是6.38，如果一个乘数扩大到原来的5倍，另一个乘数扩大到原来的10倍，积是多少．
<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">6.38 * 50</gadget>
<output>319</output>

<result>319</result>