Uncle Li walks every day to exercise. He walks (2/3) kilometers in (1/3) hours. What is Uncle Li's walking speed in kilometers per hour?
李大伯每天都步行锻炼身体，他(1/3)小时走(2/3)千米．李大伯步行的速度是多少千米/时
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) / (1/3)</gadget>
<output>2</output>

<result>2</result>