factory has 180 workers in the first and second workshops, 103 workers in the third workshop, and 81 workers in the fourth workshop. How many people are there on average in each workshop?
某工厂第一、第二车间共有工人180人，第三车间有103人，第四车间有81人．平均每个车间有多少人？
<gadget id="calculator">180 + 103 + 81</gadget>
<output>364</output>

<gadget id="calculator">364 / 4</gadget>
<output>91</output>

<result>91</result>