Question

(234)+3 (345)-(56)×23+34+67+78

Answer 1

(234)+3 (345)-(56)×23+34+67+78
= 234 + 1035 - 1288 +34+67+78
=234 + 1035 +34+67+78- 1288 
= 1448-1288
=160 (answer)

Answer 2

234+1035+34+67+78-1288=160