There were 325 male and female students in the past. In the new school year, the number of male students will increase by 25, and the number of female students will decrease by 5%. The total number will increase by 16. How many male students are there now?
原有男、女同学325人，新学年男生增加25人，女生减少5%，总人数增加16人，那么现有男同学多少人．
<gadget id="calculator">25 - 16</gadget>
<output>9</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">9 / (1/20)</gadget>
<output>180</output>

<gadget id="calculator">325 - 180</gadget>
<output>145</output>

<gadget id="calculator">145 + 25</gadget>
<output>170</output>

<result>170</result>