The water pump factory originally planned to produce 120 water pumps per month, and the task was completed in half a year, but it was actually completed two months ahead of schedule. How many water pumps are produced on average per month?
水泵厂原计划每月生产120台水泵，半年完成任务，实际提前两个月完成，平均每月生产多少台水泵？
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">120 * (3/2)</gadget>
<output>180</output>

<result>180</result>