The former term of 2:3 is multiplied by 8 times, how many times should the latter term be multiplied in order to make the ratio multiplied by four times.
2：3的前项扩大8倍，要使比值扩大4倍，后项应扩大多少倍．
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<result>2</result>