The average of the two numbers A and B is 40, and the ratio of A and B is 3:5, so what is the larger number?
甲、乙两数的平均数是40，甲、乙两数的比是3：5，那么较大的数是多少．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 * (1/4) * 5</gadget>
<output>50</output>

<result>50</result>