Buy an "Encyclopedia" for 43.6 yuan, a dictionary for 19.8 yuan, pay the salesperson 100 yuan, how much should you get back?
买一本《百科全书》43.6元，一本词典19.8元，付给营业员100元，应找回多少元？
<gadget id="calculator">100 - 43.6 - 19.8</gadget>
<output>36.6</output>

<result>36.6</result>