The automobile factory produced 620 vehicles in the second quarter, 120 more than in the first quarter. What percentage increase in the second quarter compared with the first quarter?
汽车制造厂第二季度制造汽车620辆，比第一季度多生产120辆，第二季度比第一季度增产百分之几？
<gadget id="calculator">620 - 120</gadget>
<output>500</output>

<gadget id="calculator">120 / 500</gadget>
<output>6/25 = around 0.24</output>

<result>6/25 = around 0.24</result>