200:2*(540+460):10=1000
200:2*540+460:10=54046
200:2(540+460:10)=58600
1200-200:40*5*5=1075
1200-200:(40*5)*5=1195
(1200-200:400)*5*5=29875
200:2*(540+460):10=1000
200:2*540+460:10=54046
200:2(540+460:10)=58600
1200-200:40*5*5=1075
1200-200:(40*5)*5=1195
(1200-200:400)*5*5=29875