A car factory produced 30,000 cars last year, and this year it has increased production (3/5) compared to last year. How many cars will it increase this year?
某汽车制造厂去年生产汽车30000辆，今年比去年增产(3/5)，今年增产汽车多少俩？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">30_000 * (3/5)</gadget>
<output>18_000</output>

<result>18_000</result>