A deer drank 2L of water in the morning, which is 2/5 of the water intake throughout the day. How many liters of water does this deer drink in a day?
一头小鹿早上喝了2L水，是全天饮水量的(2/5)，这头小鹿一天喝多少升水？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / (2/5)</gadget>
<output>5</output>

<result>5</result>