Xiaogang has 60 yuan pocket money, bought school supplies (5/12), bought magazines spent the rest of the pocket money (1/5), and the remaining pocket money is donated to the children in the disaster area, Xiao Gang donated to the disaster area How much did you donate?
小刚有60元零用钱，买学习用品花了(5/12)，买杂志花了剩余零用钱的(1/5)，剩下的零用钱全部捐给灾区的小朋友，小刚向项灾区捐了多少钱？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 - (5/12)</gadget>
<output>7/12 = around 0.583333</output>

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

<gadget id="calculator">(7/12) * (1/5)</gadget>
<output>7/60 = around 0.116667</output>

<gadget id="calculator">1 - (5/12) - (7/60)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">60 * (7/15)</gadget>
<output>28</output>

<result>28</result>