Mom bought a box of shampoo and spent 16.8 yuan, and there is 33.2 yuan left. Please calculate how much money mother has with her?
妈妈买了一盒洗发水用了16.8元，还剩下33.2元，请你计算妈妈身上带了多少钱？
<gadget id="calculator">16.8 + 33.2</gadget>
<output>50</output>

<result>50</result>