Xiaohong’s phone bill is 66.63 yuan in January, 82.37 yuan in February, 200 yuan in advance, how much is left?
小红家一月份电话费66.63元，二月份电话费82.37元，预交200元，剩余多少元？
<gadget id="calculator">200 - 66.63 - 82.37</gadget>
<output>51</output>

<result>51</result>