Grandpa Zhang and Grandma Wang exercised around the circular flower bed. Grandpa Zhang takes 6 points to walk around, and Grandma Wang takes 8 points to walk around. They start from point A at the same time, and meet for the first time at point A how many minutes later.
张爷爷和王奶奶围着圆形花坛锻炼身体．张爷爷走一圈用6分，王奶奶走一圈用8分．她们同时从A点出发，多少分后在A点第一次相遇．
<gadget id="calculator">2 * 3 * 2 * 2</gadget>
<output>24</output>

<result>24</result>