The distance between A and B is 1100 meters. Xiaohong and Xiaoming walk towards each other from the two places at the same time. They meet after 5 minutes. Xiaohong walks 100 meters per minute. How many meters does Xiaoming walk per minute? (comprehensive formula)
甲、乙两地相距1100米，小红和小明分别从两地同时相对而行，5分钟后相遇，小红每分钟走100米，小明每分钟走多少米？(综合算式)
<gadget id="calculator">1_100 / 5</gadget>
<output>220</output>

<gadget id="calculator">220 - 100</gadget>
<output>120</output>

<result>120</result>