The ratio of the numbers A and B is 3:4, and the number A is equal to the number B.
甲乙两数的比是3：4，甲数是乙数的多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>