is 4 times that of B, how many times is the sum of A and B equal to B.
甲是乙的4倍，甲乙的和是乙的多少倍．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<result>5</result>