Perform the indicated operation.
a. 18.67 + 3.456 + 0.2 + 3.21
b. 3.256 + 4.21 + 3.009 + 0.35
c. 7 – 3.06
d. 62.98 – 3.555
e. 5.3 × 12
f. 4.35 × 2.11
g. 56⁄0.7
h. 5.6⁄7