My mother spent 34.20 yuan on the street to buy vegetables, leaving 15.80 yuan. How much did mom bring?
妈妈上街买菜花了34.20元，还剩下15.80元．妈妈带了多少钱？
<gadget id="calculator">34.2 + 15.8</gadget>
<output>50</output>

<result>50</result>