There were originally 900 people in the conference room, but 118 people left and 338 people came in at the same time. How many people are there in the conference room now?
会议室原有900人在开会，后有118人离开了，同时又来了338人，现在会议室里有多少人？
<gadget id="calculator">900 - 118</gadget>
<output>782</output>

<gadget id="calculator">782 + 338</gadget>
<output>1_120</output>

<result>1_120</result>