Xiao Ming (2/3) walked 2 kilometers in an hour, how many kilometers did he walk in an hour?
小明(2/3)小时走了2千米，他每小时走多少千米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / (2/3)</gadget>
<output>3</output>

<result>3</result>