If the number A is 4 times the number B, then (A number + B number)/B number = how much.
如果甲数是乙数的4倍，那么(甲数+乙数)/乙数=多少．
<gadget id="calculator">1 + 4</gadget>
<output>5</output>

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

<result>5</result>