There is a locust tree 7 meters apart on each side of the road. Fangfang took the tram for 3 minutes and saw 151 locust trees on one side of the road. How many meters per minute is the speed of the tram?
公路的每边相隔7米有一棵槐树，芳芳乘电车3分钟看到公路的一边有槐树151棵，电车的速度是每分钟多少米？
<gadget id="calculator">151 - 1</gadget>
<output>150</output>

<gadget id="calculator">7 / 3</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">150 * (7/3)</gadget>
<output>350</output>

<result>350</result>