The product of the two factors is 7.8. If one of the factors is enlarged by 100 times and the other factor is reduced by 10 times, what is the product of them?
两个因数的积是7.8．其中一个因数扩大100倍，另一个因数缩小10倍，这时它们的积是多少．
<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">7.8 * 10</gadget>
<output>78</output>

<result>78</result>