The construction of a telecommunications base station is completed by two engineering teams, A and B. It is known that team A has 180 people and team B has 117 people. Due to the needs of the project, the number of people in team A should be twice that of team B, how many people should be transferred from team B to team A?
一个电信基站的建设工作由甲、乙两个工程队合作完成．已知甲队有180人，乙队有117人．因工程需要，甲队人数应是乙队的2倍，则应从乙队调出多少人到甲队？
<gadget id="calculator">180 + 117</gadget>
<output>297</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">297 * (2/3)</gadget>
<output>198</output>

<gadget id="calculator">198 - 180</gadget>
<output>18</output>

<result>18</result>