Mom took 800 yuan to go shopping, bought a down jacket for 450 yuan, and bought a pair of trousers for 80 yuan, how much money is left?
妈妈带了800元逛街，买了一件羽绒服花了450元，又买了一条80元的裤子，还剩多少元钱？
<gadget id="calculator">800 - 450 - 80</gadget>
<output>270</output>

<result>270</result>