Xiaoqiang's home is 1,200 meters away from the school. After he walked for 15 minutes, he was still 27 meters away from the school. How many meters does Xiaoqiang walk on average per minute?
小强家离学校1200米，他走了15分钟后，离学校还有27米，小强平均每分钟走多少米？
<gadget id="calculator">1_200 - 27</gadget>
<output>1_173</output>

<gadget id="calculator">1_173 / 15</gadget>
<output>391/5 = around 78.2</output>

<result>391/5 = around 78.2</result>