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