At the beginning of the school term, the school established a dance team, of which 45% were male members. Later, 16 female members were added. These male members only accounted for 25% of the total number. How many male members are there in total?
开学初学校成立了舞蹈队，其中男队员占45%，后来又增加16名女队员，这批男队员只占总人数的25%，这批男队员一共有多少人？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 / (1/5)</gadget>
<output>20</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

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

<result>9</result>