The fertilizer factory produced 1,500 tons of fertilizer in May, 300 tons more than planned. How much was the excess production in May?
化肥厂5月份生产化肥1500吨，超过计划300吨，五月份超产多少
<gadget id="calculator">1_500 - 300</gadget>
<output>1_200</output>

<gadget id="calculator">300 / 1_200</gadget>
<output>1/4 = around 0.25</output>

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