The ratio of a ratio is (7/8), if its former term and the latter term are multiplied by 3 at the same time, what is the ratio at this time.
一个比的比值是(7/8)，如果把它的前项和后项同时乘3，这时的比值是多少．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>