The sum of A and B is 36, A is the sum of A and B (3/4), what is B?
甲、乙两数的和是36，甲是甲、乙两数和的(3/4)，乙是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">36 * (3/4)</gadget>
<output>27</output>

<gadget id="calculator">36 - 27</gadget>
<output>9</output>

<result>9</result>