[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Here's your Answer :
18.134 after rounding off - 18.1
2.28 after rounding off - 2.3
let's perform subtraction to get the required Answer :