Teacher Wang brought 900 yuan, 698 yuan to buy a washing machine, and 185 yuan to buy an electric fan. How much money is left?
王老师带了900元钱，买一台洗衣机用去698元，买一台电风扇用去185元，还剩多少元？
<gadget id="calculator">698 + 185</gadget>
<output>883</output>

<gadget id="calculator">900 - 883</gadget>
<output>17</output>

<result>17</result>