The school is 1,800 meters away from the Children's Palace. Xiao Ming and Xiao Qing set off from the school and the Children's Palace at 4:00 p.m. respectively, walking toward each other. They returned immediately after arriving at the starting point of the other party. At 4:27, the two met for the second time on the way. At this time, Xiao Ming walked 540 meters more than Xiao Qing. Ask Xiao Ming how many meters he walked per minute?
学校距少年宫1800米，小明和小青下午4时分别从学校和少年宫出发，相向而行．各自到达对方出发点后立即返回，4时27分二人第二次在途中相遇，这时小明比小青多走了540米，问小明每分钟走多少米？
<gadget id="calculator">3 / 27</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1_800 * (1/9)</gadget>
<output>200</output>

<gadget id="calculator">540 / 27</gadget>
<output>20</output>

<gadget id="calculator">200 + 20</gadget>
<output>220</output>

<gadget id="calculator">220 / 2</gadget>
<output>110</output>

<result>110</result>