A school has a total of 1075 students, the ratio of the number of male students to the number of female students is 2:3, and the ratio of the number of female students to the number of teachers is 5:1. So how many teachers are there?
某学校共有1075名学生，其中男学生人数与女学生人数的比是2：3，女学生人数与教师人数的比是5：1．那么教师有多少名．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_075 * (3/5) * (1/5)</gadget>
<output>129</output>

<result>129</result>