To produce a batch of parts, 10 months exceeds production by 25% of the annual production. According to this calculation, how much is the annual production excess.
生产一批零件，10个月超产全年的25%，照这样计算，全年超产多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 10</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">(1/40) * 12</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>