Solution: Assuming that X meters are used as gyroscopes, X/3*2 gyroscopes can be made; The remaining (600-X) meters can be made into pants, which can be made into (600-X) pairs of pants. From the meaning of the question, we can get the equation:

2 * X/3 = 600 X

Get X=360. Make a coat of 360 meters.

360/3*2=240 can make 240 sets of school uniforms.