Mom spent 15.8 yuan to buy vegetables, and there is 34.2 yuan left. How much money did mother bring?
妈妈买菜花了15.8元，还剩下34.2元，妈妈带了多少元钱？
<gadget id="calculator">15.8 + 34.2</gadget>
<output>50</output>

<result>50</result>