Answer
A) 29,8757 Kcal.
B) 207,935 Kcal.
Work Step by Step
To answer the item A and B, one must know that to convert the value from Kilojoules to kilocalories, it is necessary to divide said value by 4.184.
(For a more detailed explanation look on Chapter 3 - Matter and Energy - 3.4 Energy - pages 73-74).