There are 1,800 imported cars in Guiyang this year, an increase of 30% compared to last year. How many imported cars were there last year?
今年贵阳市有进口车1800辆，今年比去年增加三成，去年有进口车多少辆？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">1_800 * (13/10)</gadget>
<output>2_340</output>

<result>2_340</result>