A wheat experimental field originally planned to produce 8 tons of wheat per hectare, but actually produced 9 tons of wheat per hectare. How much more wheat was actually produced than the original plan?
一块小麦试验田，原计划每公顷产小麦8吨，实际每公顷产小麦9吨，实际产小麦比原计划多百分之几？
<gadget id="calculator">9 - 8</gadget>
<output>1</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>