A and B are 300 meters apart. Xiao Ming and Xiao Jun walked towards each other from places A and B respectively, and after 5 minutes, they were 700 meters apart. A walks 37 meters per minute, how many meters does B walk per minute?
甲、乙两地相距300米．小明和小军各从甲、乙两地相背而行，5分钟后两人相距700米．甲每分走37米，乙每分走多少米．
<gadget id="calculator">700 - 300</gadget>
<output>400</output>

<gadget id="calculator">37 * 5</gadget>
<output>185</output>

<gadget id="calculator">400 - 185</gadget>
<output>215</output>

<gadget id="calculator">215 / 5</gadget>
<output>43</output>

<result>43</result>