The water consumption in October is 12% lower than that in September. How much is the water consumption in October compared to September?
十月比九月用水量节约12%，十月份的用水量是九月份的多少
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 - (3/25)</gadget>
<output>22/25 = around 0.88</output>

<result>22/25 = around 0.88</result>