200:2*(540+460):10=200:2*1000:10=10000
200:2*540+460:10=100*540+46=54046
200:2*(540+460:10)=200:2*586=58600
1200-200:40*5*5=1200-5*5*5=1075
1200-200:(40*5)*5=1200-200:200*5=1195
(1200-200:40)*5*5=1195*5*5=29875
200:2*(540+460):10=200:2*1000:10=10000
200:2*540+460:10=100*540+46=54046
200:2*(540+460:10)=200:2*586=58600
1200-200:40*5*5=1200-5*5*5=1075
1200-200:(40*5)*5=1200-200:200*5=1195
(1200-200:40)*5*5=1195*5*5=29875