The school plans to invest 7,200 yuan in talent show activities, but the actual cost is (3/8) less than the plan. How much is the actual cost?
学校计划投资7200元举办才艺展示活动，实际的费用比计划节约了(3/8)，实际的费用是多少元？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7_200 * (5/8)</gadget>
<output>4_500</output>

<result>4_500</result>