Mom and Xiaoming have a cold and need to take medicine for treatment. Mom takes medicine every 4 hours, Xiaoming takes medicine every 6 hours. They both take medicine at 8:00 a.m. How many hours later do they take medicine at the same time?
妈妈和小明感冒了，需要吃药治疗，妈妈每各4小时吃一次药，小明每各6小时吃一次药，早上8时两人同时吃药，几小时后两人又同时吃药？
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>