`(27+65)+(346-27-65)`
`=27+65+346-27-65`
`=(27-27)+(65-65)+346`
`=346`
(27 + 65) + (346 - 27 - 65)
= 27 + 65 + 346 - 27 - 65
= (27 - 27) + (65 - 65) + 346
= 0 + 0 + 346
= 346
`!`
`(27 + 65) + (346 - 27 - 65)`
`=27 + 65 + 346 - 27 - 65`
`=(28-27)+ (65-65) + 346`
`=0+0+346`
`=346`