The road construction team wants to build a road, and has built 4,500 meters, and completed (3/8) of the total. How many meters will be repaired to complete the task?
修路队要修一条公路，已修4500米，完成了总数的(3/8)，还要修多少米才能完成任务？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">4_500 / (3/8)</gadget>
<output>12_000</output>

<gadget id="calculator">12_000 - 4_500</gadget>
<output>7_500</output>

<result>7_500</result>