Uncle Zhang goes back and forth from home to the park to run and exercise every day. If he has already run 500m, and then runs 1000m, he will complete (3/5) of the total distance of the day; how many meters does Uncle Zhang run every day?
张伯伯每天从家到公园往返跑步锻炼．如果他已经跑了500m，再跑1000m，就完成当天总路程的(3/5)；张伯伯每天约跑多少米？
<gadget id="calculator">500 + 1_000</gadget>
<output>1_500</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<result>2_500</result>