561*92+8320:8*290 27*960:40-45360:70 (7192-51)*24-1995+2667 38:(953350:50-57198:3)
561*92+8320:8*290=353212 51612+1040*290= 51612+301600=353212 27*960:40-45360:70=0 25920:40-648= 648-648=0 (7192-51)*24-1995+2667=172056 7141*24+672= 171 384+672=172056 38:(953350:50-57198:3)=38 38:(19067-19066) 38:1=38