//Example 32.4
m=235.04;//Mass of one mole of 235 U (g)
mol=1000/m;//Number of moles in 1 kg (mol)
atoms=mol*6.02*10^23;//Number of atoms in 1kg of 235 U
E=atoms*200*1.6*10^-13;//Total energy released (J)
printf('Total energy released = %0.2e J',E)
//The answer varies due to round off error
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest