The school originally had 739 students, but the number of boys in the new semester has increased by 29, and the number of girls has decreased by 2.5% compared to the previous semester, but the total number of students has increased by 18. How many boys are there in this semester?
学校原来有学生739人，新学期男生增加了29人，女生人数反而比上学期减少2.5%，但总人数多了18人，这学期有男生多少人？
<gadget id="calculator">29 - 18</gadget>
<output>11</output>

<gadget id="calculator">2.5 / 100</gadget>
<output>0.025</output>

<gadget id="calculator">11 / 0.025</gadget>
<output>440</output>

<gadget id="calculator">739 - 440</gadget>
<output>299</output>

<gadget id="calculator">299 + 29</gadget>
<output>328</output>

<result>328</result>