Xiaoming's mother brought 100 yuan, and paid 22.05 yuan for apples and 14.38 yuan for watermelons, how much money is left?
小明妈妈带100元，买苹果和西瓜分别付了22.05元和14.38元，剩下多少元？
<gadget id="calculator">22.05 + 14.38</gadget>
<output>36.43</output>

<gadget id="calculator">100 - 36.43</gadget>
<output>63.57</output>

<result>63.57</result>