400-400:100+40x(852:4-64x3-99:9)+889:7+69=
400-4+40x(213-192-11)+127+69=
396+40x10+196=
396+400+196=
796+196=992
(70+75x6-48:3:4-89)x5+856:8x6+25=
(70+450-16:4-89)x5+107x6+25=
(520-4-89)x5+642+25=
427x5+667=
2135+667=2802
(91-6x7):(41+18:6-37)x60:10+2058=
(91-42):(41+3-37)x6+2058=
49:7x6+2058=
7x6+2058=
42+2058=2100