Xiao Ming walks to school. If he walks 54 meters per minute, he will reach the school in 12 minutes. If he wants to get there in 9 minutes, how many meters will he walk per minute?
小明步行去学校，如果他每分钟走54米，12分钟正好走到，要想9分钟赶到，他每分钟要走多少米？
<gadget id="calculator">12 / 9</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">54 * (4/3)</gadget>
<output>72</output>

<result>72</result>