The ratio of number A to number B is 3:4, then number B is the number of A.
甲数与乙数的比是3：4，则乙数是甲数的多少．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>