The students participated in the transportation of bricks, and a total of 7,500 pieces were transported in two days. The first day was shipped (3/5), how much was shipped on the second day?
同学们参加运砖，两天共运7500块．第一天运了(3/5)，第二天运多少块？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">7_500 * (2/5)</gadget>
<output>3_000</output>

<result>3_000</result>