The label of a medicine bottle reads: 0.2mg (mg) * 60 capsules, dosage: 3 times a day, 0.4mg each time, a course of treatment for 5 days. How many courses of treatment can this bottle of medicine take?
一个药瓶的标签上写着：0.2mg(毫克)*60粒，用量：每天3次，每次0.4mg，5天一个疗程．这瓶药可以服用多少个疗程．
<gadget id="calculator">0.4 * 3 * 5</gadget>
<output>6</output>

<gadget id="calculator">60 / 6</gadget>
<output>10</output>

<gadget id="calculator">0.2 * 10</gadget>
<output>2</output>

<result>2</result>