Chunguang bought a schoolbag and two skipping ropes at the store. Among them, schoolbags are 68 yuan each, and skipping ropes are 12 yuan each. Chunguang handed two 50 yuan to the salesperson, how much should the salesperson give Chunguang?
春光在商店买了1个书包和2根跳绳．其中书包每个68元，跳绳每根12元．春光递给售货员两张50元，售货员应找给春光多少元？
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">68 + 24</gadget>
<output>92</output>

<gadget id="calculator">100 - 92</gadget>
<output>8</output>

<result>8</result>