The TV factory plans to produce 120,000 TV sets annually. The actual production is 150,000 units, how much the actual production exceeds the original plan
电视机厂年计划生产12万台电视．实际生产15万台，实际超产原计划的多少
<gadget id="calculator">15 - 12</gadget>
<output>3</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

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