There is a tree 7 meters apart on each side of the road. A person takes a car for 3 minutes and sees 151 poplar trees on the side of the road. How many meters does the car travel per minute?
公路的每边相隔7米一棵树，某人乘汽车3分钟，看到路边有151棵杨树，汽车每分钟行多少米？
<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>