A pile of yellow sand weighing 2,500 tons was transported to a construction site, 12% of the total was transported for the first time, and 18% of the total was transported for the second time. How many tons are left?
将一堆重2500吨的花黄沙运往建筑工地，第一次运走了总数的12%，第二次运走了总数的18%，还剩下多少吨？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2_500 * (3/5)</gadget>
<output>1_500</output>

<result>1_500</result>