A and B start from A and B respectively at the same time. If they go in the same direction, A will catch up with B in 20 minutes. If they go in the opposite direction, they will meet in 5 minutes. It is known that B travels 60 meters per minute, and how many meters are the distance between A and B.
甲、乙两人同时分别从A、B两地出发，如果同向而行，甲20分钟追上乙，如果相向而行，5分钟两人相遇．已知乙每分钟行60米，A、B两地相距多少米．
<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<gadget id="calculator">5 * 60</gadget>
<output>300</output>

<gadget id="calculator">300 + 300</gadget>
<output>600</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * 5</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">600 / (3/4)</gadget>
<output>800</output>

<result>800</result>