Teacher Wang brought 800 yuan, 435 yuan to buy an electric fan, and 121 yuan to buy a remote control. How much money is left?
王老师带了800元钱，买一台电风扇用了435元，买遥控器用了121元，还剩下多少元？
<gadget id="calculator">800 - 435 - 121</gadget>
<output>244</output>

<result>244</result>