The actual electricity consumption is saved (1/8) compared with the original plan, and the planned electricity consumption is equivalent to the actual electricity consumption
实际用电比原计划节约(1/8)，计划用电相当于实际用电的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / (7/8)</gadget>
<output>8/7 = around 1.142857</output>

<result>8/7 = around 1.142857</result>