In a production workshop, the number of male workers is 45 more than the number of female workers. It is known that the ratio of male workers to female workers is 7:4. How many workers are there in this production workshop?
一个生产车间，男职工人数比女职工人数多了45人，已知男职工与女职工人数的比是7：4，这个生产车间一共有多少名职工？
<gadget id="calculator">7 + 4</gadget>
<output>11</output>

<gadget id="calculator">7 / 11</gadget>
<output>7/11 = around 0.636364</output>

<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">(7/11) - (4/11)</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">45 / (3/11)</gadget>
<output>165</output>

<result>165</result>