300-7 [4 (3+5) ]+3 to the 3rd power

The expression to solve is the

300-7 [4 (3+5) ] + 3 to the 3rd power

3 to the third power means 3³, so

300-7 [4 (3+5) ]+3³

= 300 - 7 [4 (8) ] + 27

= 300 - 7[32] + 27

= 300 - 224 + 27

= 76 + 27

= 103

so, by solving this we get 103