Teacher Li walked (8/9) kilometers in (1/3) hours, how many kilometers did he walk in an hour, and what is the formula?
李老师(1/3)小时走了(8/9)千米，求他每小时走了多少千米，列式是多少
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

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

<gadget id="calculator">(8/9) / (1/3)</gadget>
<output>8/3 = around 2.666667</output>

<result>8/3 = around 2.666667</result>