Teacher Zhang brought 500 yuan, spent 245 yuan on the jacket, and 176 yuan on the pair of trousers. How much money is left?
张老师带了500元钱，买上衣花了245元，买条裤子花了176元，还剩多少钱？
<gadget id="calculator">245 + 176</gadget>
<output>421</output>

<gadget id="calculator">500 - 421</gadget>
<output>79</output>

<result>79</result>