Xiaohong pays 118 yuan for a pair of sports shoes, 62 yuan for a football, and pays the salesperson 200 yuan. How much should the salesperson get back for her?
小红买一双运动鞋要118元，一个足球62元，付给营业员200元，营业员应该找回她多少元．
<gadget id="calculator">118 + 62</gadget>
<output>180</output>

<gadget id="calculator">200 - 180</gadget>
<output>20</output>

<result>20</result>