Mr. Zhang went to the stationery store to buy things. With the money he brought, he could buy 15 ballpoint pens at 2 yuan each and 8 pencil cases at 4 yuan each. How much did Mr. Zhang bring?
张老师去文具店买东西，带的钱可以买每枝2元的园珠笔15只和每只4元的铅笔盒8只，问张老师带了多少钱？
<gadget id="calculator">2 * 15</gadget>
<output>30</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">30 + 32</gadget>
<output>62</output>

<result>62</result>