The doctor gave Xiaofang a box of cold medicine, 12 tablets in total. Xiaofang took half a tablet each time, 3 times a day. How many days can Xiaofang take this box of medicine?
医生给小芳开了一盒感冒药，共12片．小芳每次吃半片，每天吃3次．这盒药小芳可以吃几天？
<gadget id="calculator">3 * 0.5</gadget>
<output>1.5</output>

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

<result>8</result>