#Calculations
(5*4)^(4*5)-56
## [1] 1.048576e+26
(23-1)*(8-12)
## [1] -88
(56/8)*(3+4)
## [1] 49
45-(5*8)+(8+9)
## [1] 22
#Create Vector 
a<-c(2,5,6,7)
a
## [1] 2 5 6 7
class(a)
## [1] "numeric"
b<-c(1,0,9,8)
b
## [1] 1 0 9 8
class(b)
## [1] "numeric"
c<-c(6,5,8,3)
c
## [1] 6 5 8 3
class(c)
## [1] "numeric"