In the sports meeting, 942 people came to watch the game in the morning, 873 people left at noon, and 767 people came in the afternoon. How many people were there at the sports meeting to watch the game?
运动会上午来了942人参观比赛，中午走了873人，下午又来了767人，这时运动会场上有多少人参观比赛？
<gadget id="calculator">942 - 873</gadget>
<output>69</output>

<gadget id="calculator">69 + 767</gadget>
<output>836</output>

<result>836</result>