The ratio of A and B is 5:6, A's number is 300, what is B's number?
甲、乙两数的比是5：6，甲数是300，乙数是多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">300 / (5/6)</gadget>
<output>360</output>

<result>360</result>