5 tons of water was used in August, and 6 tons of water was used in September. How many percent more than in August?
八月份用水5吨，九月份用水6吨，比八月份多百分之几？
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>