Mian Xu has 30 yuan in zero. If Mian Xu takes out (1/10) of his money and gives it to Chang He, the change of the two is equal. How much change does Changhe have?
绵旭有零30元，如果绵旭他的取出(1/10)给昌和，则两人的零钱相等．昌和有零钱多少元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">30 * (1/10)</gadget>
<output>3</output>

<gadget id="calculator">30 - 3 - 3</gadget>
<output>24</output>

<result>24</result>