3. (32408-32000):4 (1000000-999900)*217 (5726+14):7 (999000-998000)*13

798 + (2100 - 2098) : 2 = 798 + 2 : 2 = 798 + 1 = 799

(3126 - 126) : 1000 * 520 = 3000 : 1000 * 520 = 3 * 520 = 1560

(270 : 9 * 4 + 880) * 927 + 3 = (30 * 4 + 880) * 927 + 3 = (120 + 880) * 927 + 3 = 1000 * 927 + 3 = 927000 + 3 = 927003