In order to speed up the municipal construction, the engineering team transferred half of the people from the first team to support the second team, and then transferred 65 people to support the third team, and transferred 28 people from other construction sites to the first team. There are 108 people. How many people are there in the first team?
为了加快市政建设的速度，工程队从第一队中抽调一半的人支援第二队，再抽调65人支援第三队，从其他工地又往第一队调进28人，这时第一队有108人．求第一队原来有多少人？
<gadget id="calculator">108 - 28</gadget>
<output>80</output>

<gadget id="calculator">80 + 65</gadget>
<output>145</output>

<gadget id="calculator">145 * 2</gadget>
<output>290</output>

<result>290</result>