Guangming Primary School shared 600 kWh of electricity last month, and this month saves (1/12) compared to last month. How many kWh do you use this month?
光明小学上个月共用电600千瓦时，这个月比上个月节约(1/12)．这个月用电多少千瓦时？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 - (1/12)</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">600 * (11/12)</gadget>
<output>550</output>

<result>550</result>