Teacher Zhang and Teacher Li took 36 students to see the exhibition. The ticket price was 28 yuan for adults and half price for children. How much did they have to pay in total?
张老师和李老师带36名学生看展览，票价成人为28元一张，儿童半票，他们一共要付多少元钱？
<gadget id="calculator">28 * 2</gadget>
<output>56</output>

<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<gadget id="calculator">14 * 36</gadget>
<output>504</output>

<gadget id="calculator">56 + 504</gadget>
<output>560</output>

<result>560</result>