A workshop used to consume 3,600 kWh of electricity per month. After carrying out electricity saving activities, the original electricity consumption of half a year can now be used for 2 more months. How much kWh does this workshop save on average every month?
一个车间原来每月用电3600千瓦时，开展节约用电活动后，原来半年的用电量现在可多用2个月，这个车间平均每月节约用电多少千瓦时？
<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3_600 * (3/4)</gadget>
<output>2_700</output>

<gadget id="calculator">3_600 - 2_700</gadget>
<output>900</output>

<result>900</result>