The ratio of A and B is 5:6, A's number is 40, what is B's number?
甲、乙两数的比是5：6，甲数是40，乙数是多少．
<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<result>48</result>