There are a total of 150 tablets in a box of medicine. Grandpa takes two tablets each time, three times a day. How many days can this box of medicine be taken?
一盒药一共150片，爷爷每次吃两片，一天吃3次．这盒药可以吃多少天？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">150 / 6</gadget>
<output>25</output>

<result>25</result>