There are 150 people in team A, and 147 people in team B. The current task requires that the number of people in team A be twice that of team B. How many people should be transferred from team B to team A?
甲队有150人，乙队有147人，现任务需要，要求甲队人数是乙队的2倍，应从乙队调出多少人到甲队？
<gadget id="calculator">150 + 147</gadget>
<output>297</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">297 / 3</gadget>
<output>99</output>

<gadget id="calculator">147 - 99</gadget>
<output>48</output>

<result>48</result>