Master Li processed 300 parts yesterday, 60 more than the original plan. How much is the overproduction?
李师傅昨天加工零件300个，比原计划多60个，超产多少
<gadget id="calculator">300 - 60</gadget>
<output>240</output>

<gadget id="calculator">60 / 240</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>