A car manufacturer plans to produce 15,000 cars in the first quarter of this year, but the actual number of cars produced is 1/4 higher than the plan. How many cars did the car manufacturer actually produce in the first quarter of this year?
某汽车制造厂计划今年第一季度生产15000辆轿车，但实际生产的轿车数量比计划增加了(1/4)，那么汽车制造厂今年第一季度实际生产了多少辆轿车？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">15_000 * (5/4)</gadget>
<output>18_750</output>

<result>18_750</result>