Xiao Ming and Xiao Hong are walking towards each other from places A and B respectively. Xiao Ming walks 45 meters per minute, and Xiao Hong walks 65 meters per minute. The two met at a distance of 30 meters from the midpoint. What is the distance between A and B in meters?
小明和小红分别从甲、乙两地相向而行．小明每分钟走45米，小红每分钟走65米．两人在距中点30米处相遇．求甲、乙两地相距多少米？
<gadget id="calculator">65 - 45</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">65 + 45</gadget>
<output>110</output>

<gadget id="calculator">30 * (1/10) * 110</gadget>
<output>330</output>

<result>330</result>