The average of the two numbers A and B is 45, and the ratio of the two numbers is 2:3. What is the larger number among the two numbers?
甲、乙两数的平均数是45，两数的比是2：3，两数中，较大的一个数是多少．
<gadget id="calculator">90 / 5</gadget>
<output>18</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<result>36</result>