import math

a = 8
b = a**3
print b
c = a/3.
print c
d = 3.14
print d
e = 3.12e+20
print e
print math.sqrt(e)
aa = "125"
print int(aa)
print float(aa)
bb = "125.506"
print float(bb)
x = 10
print  "modulus = "+str(x%3)


--------------------output-----------------------------
$ python numerical.py
512
2.66666666667
3.14
3.12e+20
17663521732.7
125
125.0
125.506
modulus = 1