Xiaojian caught a cold, and his mother went to the pharmacy to buy a box of 12-piece cold medicine. According to the doctor's instructions, his mother said: take half a tablet each time, three times a day. How many days can this box of medicine be taken?
小健感冒了，妈妈到药店买了一盒12片装的感冒药，妈妈按医生的嘱咐说：每次吃半片，每天吃3次．这盒药可以吃几天？
<gadget id="calculator">0.5 * 3</gadget>
<output>1.5</output>

<gadget id="calculator">12 / 1.5</gadget>
<output>8</output>

<result>8</result>