In a mathematics competition, the average score of team A is 75 points, the average score of team B is 73 points, and the average score of all students in the two teams is 73.5 points. It is also known that team B has 6 more people than team A, so how many people are there in team B?
在一次数学竞赛中，甲队的平均分为75分，乙队的平均分为73分，两队全体同学的平均分为73.5分．又知乙队比甲队多6人，那么乙队有多少人．
<gadget id="calculator">73.5 * 6</gadget>
<output>441</output>

<gadget id="calculator">73 * 6</gadget>
<output>438</output>

<gadget id="calculator">441 - 438</gadget>
<output>3</output>

<gadget id="calculator">73 - 73.5 - 73.5</gadget>
<output>-74</output>

<gadget id="calculator">75 + (-74)</gadget>
<output>1</output>

<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">3 + 6</gadget>
<output>9</output>

<result>9</result>