Each coat is 82 yuan, and each pair of trousers is 38 yuan. If you buy two coats for 200 yuan, how much should you get back?
上衣每件82元，裤子每条38元．用200元买两件上衣，应该找回多少元？
<gadget id="calculator">82 * 2</gadget>
<output>164</output>

<gadget id="calculator">200 - 164</gadget>
<output>36</output>

<result>36</result>