The average of the two numbers of A and B is 56, the ratio of A to B is 3:2, what is A?
甲乙两数的平均数是56，甲数与乙数的比是3：2，求甲是多少？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">56 * (2/5) * 3</gadget>
<output>336/5 = around 67.2</output>

<result>336/5 = around 67.2</result>