The ratio of the number of male and female teachers in an experimental primary school is 2:5, there are 35 female teachers, how many male teachers are there?
某实验小学男女教师人数的比是2：5，女教师有35人，男教师有多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">35 * (2/5)</gadget>
<output>14</output>

<result>14</result>