Two people, A and B, swim back and forth for a long distance at both ends of a 60-meter-long swimming pool. A swims 20 meters per minute, and B swims 30 meters per minute. How many times do they meet in 90 minutes? meet)
甲乙两人在长为60米的游泳池的两端进行长距离往返游泳，甲每分钟游20米，乙每分钟游30米，两人在90分钟，一共相遇多少次(同时到达同一点视为相遇)
<gadget id="calculator">60 / 30</gadget>
<output>2</output>

<gadget id="calculator">30 / 20</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">2 * (3/2)</gadget>
<output>3</output>

<gadget id="calculator">90 / 3</gadget>
<output>30</output>

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

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">30 * (3/2)</gadget>
<output>45</output>

<result>45</result>