A football is 165.5 yuan, which is 50.5 yuan more expensive than a basketball. Teacher Li bought a basketball and paid the salesperson 200 yuan. How much should I get back?
一个足球165.5元，比一个篮球贵50.5元，李老师买一个篮球付给营业员200元，应找回多少元？
<gadget id="calculator">165.5 - 50.5</gadget>
<output>115</output>

<gadget id="calculator">200 - 115</gadget>
<output>85</output>

<result>85</result>