A is more than B (1/3), B is 5 kg less than A, what is A?
甲比乙多(1/3)，乙比甲少5千克，甲是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 / (1/3)</gadget>
<output>15</output>

<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<result>20</result>