There is a wheat field, this year harvests 2,200 kg of wheat, 10% more than last year, how much more than last year?
有一块小麦地，今年收小麦2200千克，比去年增产一成，今年比去年增产多少千克？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">2_200 / (11/10)</gadget>
<output>2_000</output>

<gadget id="calculator">2_200 - 2_000</gadget>
<output>200</output>

<result>200</result>