Zhang Liang’s pocket money belonged to Huang Ming (5/9). During the charity event, Huang Ming donated 48 yuan and Zhang Liang donated 20 yuan. At this time, their remaining pocket money was equal. Huang Ming originally had pocket money. how much money
张亮的零用钱是黄明的(5/9)，在献爱心活动中，黄明捐了48元，张亮捐了20元，这时他们剩下的零用钱相等，黄明原来有零用钱多少．
<gadget id="calculator">48 - 20</gadget>
<output>28</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">28 / (4/9)</gadget>
<output>63</output>

<result>63</result>