The product of multiplying two numbers is 65. If one factor is enlarged by 4 times and the other factor is reduced to the original (1/4), what is the product?
两个数相乘的积是65，如果一个因数扩大4倍，另一个因数缩小到原来的(1/4)，则积是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">65 * 4 * (1/4)</gadget>
<output>65</output>

<result>65</result>