Xiaohong's home is 1 kilometer away from the school, she has walked for 12 minutes, and she is still 136 meters away from the school. How many meters does Xiaohong walk per minute?
小红的家离学校1千米，她已经走了12分钟，离学校还有136米．小红每分钟走多少米？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 136</gadget>
<output>864</output>

<gadget id="calculator">864 / 12</gadget>
<output>72</output>

<result>72</result>