In September, Xiaogang spent his own pocket money on school supplies (5/12), bought magazines (1/5), and the rest of the pocket money was donated to the children in the disaster area. Xiaogang donated money to the disaster area What percentage of your pocket money does the money account for?
九月份小刚买学习用品花了自己零用钱的(5/12)，买杂志花了零用钱的(1/5)，剩下的零用钱全部捐给灾区的小朋友，小刚向灾区捐款的钱占自己零用钱的几分之几？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (5/12) - (1/5)</gadget>
<output>23/60 = around 0.383333</output>

<result>23/60 = around 0.383333</result>