Ma Shasha's mother brought 50 yuan to buy vegetables, 28.75 yuan to buy meat dishes, and 16.25 yuan to buy vegetarian dishes. Please do the math for her, how much money is left?
麻莎莎的妈妈带50元钱去买菜，买荤菜用去28.75元，买素菜用16.25元．请你帮她算一算，还剩多少钱？
<gadget id="calculator">28.75 + 16.25</gadget>
<output>45</output>

<gadget id="calculator">50 - 45</gadget>
<output>5</output>

<result>5</result>