The number of A is 40, which is exactly 5 times of the number of B. What is the sum of the two numbers of A and B?
甲数是40，正好是乙数的5倍，甲乙两数的和是多少．
<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">40 + 8</gadget>
<output>48</output>

<result>48</result>