The product of two factors is 9.6, one factor is enlarged by 4 times, and the other factor is reduced to the original (1/2), what is the product?
两个因数的积是9.6，一个因数扩大4倍，另一个因数，缩小到原来的(1/2)，积是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">9.6 * 4 * (1/2)</gadget>
<output>19.2</output>

<result>19.2</result>