A toy bear is 35.4 yuan, and a toy car is 34.6 yuan. Wang Ming bought these two toys and paid 100 yuan, how much should he get back?
一个玩具小熊35.4元，一辆玩具小汽车34.6元．王明买这两件玩具，付了100元，应找回多少钱？
<gadget id="calculator">100 - 35.4 - 34.6</gadget>
<output>30</output>

<result>30</result>