Xiao Ming and Xiao Jun start from both ends of a bridge at the same time, Xiao Ming's speed is 65 m/min, Xiao Jun's speed is 70 m/min, and they meet after 6 minutes. How long is the bridge in meters?
小明和小军分别从一座桥的两端同时出发，小明的速度是65米/分，小军的速度是70米/分，经过6分钟两人相遇．这座桥长多少米？
<gadget id="calculator">65 + 70</gadget>
<output>135</output>

<gadget id="calculator">135 * 6</gadget>
<output>810</output>

<result>810</result>