Expand the latter term of 3:0.125 to 8 times of the original, to keep the ratio unchanged, what should be the former term.
把3：0.125的后项扩大到原来的8倍，要使比值不变，前项应该是多少．
<gadget id="calculator">3 / 0.125</gadget>
<output>24</output>

<result>24</result>