A is more than B (2/5), how much is B equal to A
甲比乙多(2/5)，乙相当于甲的多少
<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>