Two people, A and B, walk toward each other from A and B at the same time. A walks 100 meters per minute, and A's speed is (5/4) that of B. After 5 minutes, the two walk exactly the whole distance (3 /5), how many meters is the distance between A and B?
甲、乙两个人同时从A、B两地相向而行，甲每分钟走100米，甲的速度是乙的速度的(5/4)，5分钟后，两人正好行了全程的(3/5)，A、B两地相距多少米？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">100 / (5/4)</gadget>
<output>80</output>

<gadget id="calculator">80 + 100</gadget>
<output>180</output>

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

<gadget id="calculator">5 / (3/5)</gadget>
<output>25/3 = around 8.333333</output>

<gadget id="calculator">180 * (25/3)</gadget>
<output>1_500</output>

<result>1_500</result>