2017-{[42-(5^2×14-85×4)×2] × 3 + 2^6} =
= 2017-{[42-(25×14-340)×2] ×3 + 2^6} =
= 2017-{[42-(350-340)×2] × 3 + 2^6} =
= 2017 - [(42 - 10×2) × 3 + 2^6] =
= 2017 - [(42 - 20) × 3 + 2^6] =
= 2017 - (22 × 3 + 2^6) =
= 2017 - (66 + 64) =
= 2017 - 130 =
= 1 887
