Xiao Li bought a bottle of drink weighing (1/4) kilograms, and drank (1/2) of this bottle of drink, how many kilograms did he drink?
小立买了一瓶饮料重(1/4)千克，饮了这瓶饮料的(1/2)，饮了多少千克？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/4) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>