X*150=600000:2000 1000:x=1500:300 65872+x=100*10000 278367-x=1000000:1000

X*150=600000:200 x*150=300 x=300:150 x=2 1000:x=1500:300 1000:x=5 x=1000*5 x=5000 65872+x=100*10000 65872+x=1000000 x=1000000-65872 x=924128 278367-x=1000000:1000 278367-x=1000 278367-1000=x 277367=x