steel factory produced 2,460 tons of steel in August, an increase of 60 tons compared to the plan. What percentage increase?
某钢铁厂八月份生产钢铁2460吨，比计划增产60吨，增产百分之几？
<gadget id="calculator">2_460 - 60</gadget>
<output>2_400</output>

<gadget id="calculator">60 / 2_400</gadget>
<output>1/40 = around 0.025</output>

<result>1/40 = around 0.025</result>