The two brothers took a total of 252 yuan to go shopping. The elder brother spent (3/4) of his own money, and the younger brother spent (2/3) of his own money. So how much more money does the brother bring than the brother?
兄弟两人共带252元钱去购物，兄花去自己所带钱的(3/4)，弟花去自己所带钱的(2/3)，结果两人剩下的钱数相等．那么原来兄比弟多带多少元钱．
<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(4/7) - (3/7)</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">252 * (1/7)</gadget>
<output>36</output>

<result>36</result>