6x7+139-56/54+(48-76)x(95-86)x25
6*7+139-56:54+(48-76)*(95-86)*25
= 42 +139-2827+(-28)*9*25
= 42 + 139 - 2827 -6300
= 42 +139 -1-127 -6300
= 180- 127 -6300
=-6120,037037... =-6120 1/27