Grandpa is not in good health, Dr. Wang prescribed a bottle of medicine for grandpa, 120 tablets in total. The instructions of the medicine indicate: 3 times a day, 4 tablets each time, how many days can Grandpa take this bottle of medicine at most?
爷爷身体不好，王医生给爷爷开了一瓶药共120片．药的说明书上注明：每日3次，每次4片，这瓶药爷爷最多能吃多少天？
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">120 / 12</gadget>
<output>10</output>

<result>10</result>