28*7-(32-16):4+51:17-14+(90-68)*4=
196-(16:4)+3-14+(22*4)=196-4+3-14+88=269
28*7=196 32-16=16 16^4=4 51:17=3 90-68=22 22*4=88 196-4=192 192+3=195 195-14=181 181+88=269