Dolma bought a Barbie doll in Xingdan Supermarket. The price of each Barbie doll was 78.25 yuan, and she paid the conductor 100 yuan. How much should she get back?
卓玛在兴丹超市买了一个芭比娃娃，每个芭比娃娃的价格是78.25元，付给售票员100元，应找回多少钱？
<gadget id="calculator">100 - 78.25</gadget>
<output>21.75</output>

<result>21.75</result>