A piece of eraser is 1.50 yuan, and a ballpoint pen is 3.85 yuan. I have 10 yuan, after buying these two school supplies, how much money is left?
一块橡皮1.50元，一支圆珠笔3.85元．我有10元钱，买完这两样学习用品，还剩多少钱？
<gadget id="calculator">1.5 + 3.85</gadget>
<output>5.35</output>

<gadget id="calculator">10 - 5.35</gadget>
<output>4.65</output>

<result>4.65</result>