Mom brings 50 yuan to school supplies, 28.75 yuan to buy a schoolbag, and 6.3 yuan to buy a pen. How much money is left?
妈妈带50元钱去学习用品，买书包用去28.75元，买钢笔用去6.3元．还剩多少钱？
<gadget id="calculator">50 - 28.75 - 6.3</gadget>
<output>14.95</output>

<result>14.95</result>