The orchard harvested 5400kg of apples this year, 900kg more than last year. How many percent more this year than last year?
果园今年收苹果5400kg，比去年多收900kg，今年比去年多收百分之几？
<gadget id="calculator">5_400 - 900</gadget>
<output>4_500</output>

<gadget id="calculator">900 / 4_500</gadget>
<output>1/5 = around 0.2</output>

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