A, B and C run along the circular playground, and B runs in the opposite direction to A and C. A catches up with C every 19 minutes, and B meets C every 5 minutes. If A travels the same distance in 4 minutes as B travels in 5 minutes, how many times is A's speed faster than C's? How often do A and B meet each other?
甲、乙丙沿着环形操场跑步，乙与甲、丙的方向相反．甲每隔19分钟追上丙一次，乙每隔5分钟与丙相遇一次．如果甲4分钟跑的路程与乙5分钟跑的路程相同，那么甲的速度是丙的速度的多少倍？甲与乙多长时间相遇一次？
<gadget id="calculator">0.32 / 1</gadget>
<output>0.32</output>

<gadget id="calculator">5 * 0.32</gadget>
<output>1.6</output>

<result>1.6</result>