The ratio of a ratio is (2/3), if the former item and the latter item are expanded to 4 times the original at the same time, what is the ratio
一个比的比值是(2/3)，如果前项和后项同时扩大为原来的4倍，比值是多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>