The circular runway of Experimental Primary School is 300 meters long. It took Zhang Yu 6 minutes to run 3 laps on this track, how many meters per minute on average?
实验小学的环形跑道一圈是300米．张宇在这个跑道上跑3圈用了6分，平均每分跑多少米？
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">300 * (1/2)</gadget>
<output>150</output>

<result>150</result>