The ratio of a ratio is 8, and the preceding term is reduced to the original (1/2). The latter item remains unchanged. What is the ratio.
一个比的比值是8，前项缩小到原来的(1/2)．后项不变．比值为多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>