Xiao Ming walked (7/10) kilometers in (1/3) hour, how many kilometers did he walk on average per hour?
小明(1/3)小时走了(7/10)千米，他平均每小时走多少千米？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

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

<gadget id="calculator">(7/10) / (1/3)</gadget>
<output>21/10 = around 2.1</output>

<result>21/10 = around 2.1</result>