Xiao Ming drank (2/5) of a bottle of juice, which happened to be (1/2) liter. How many liters is this bottle of juice?
小明喝了一瓶果汁的(2/5)，正好喝了(1/2)升．这瓶果汁有多少升．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/2) / (2/5)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>