A farm produces 225 tons of grain this year, 25 tons more than last year. What percentage increase in production this year?
某农场今年产粮225吨，比去年增产25吨．今年增产百分之几？
<gadget id="calculator">225 - 25</gadget>
<output>200</output>

<gadget id="calculator">25 / 200</gadget>
<output>1/8 = around 0.125</output>

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