There are 45 more male workers than female workers in a workshop. If 5 male workers are transferred, the number of male workers is exactly three times that of female workers. How many male workers are there?
一个车间原有男工人数比女工多45人，如果调走男工5人，那么男工数正好是女工的3倍，求原有男工多少人？
<gadget id="calculator">45 - 5</gadget>
<output>40</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">60 + 5</gadget>
<output>65</output>

<result>65</result>