The distance from Liu Yong's home to the school is 720 meters, and Liu Yong walks 9 minutes from his home to the school. On average, Liu Yong walked this distance ((())/(())) per minute, how many meters per minute on average.
刘勇家到学校的路程是720米，刘勇从家步行9分钟到达学校．刘勇平均每分钟走这段路程的((())/(()))，平均每分钟走多少米．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">720 * (1/9)</gadget>
<output>80</output>

<result>80</result>