We are like books, all different on the outside, but on the inside we have similar features
The sum of neutrons would be 55. (: I hope this helps. because if you minus the mass number by the atomic number which is always equivalent to the number of protons, you get the amount of neutrons. The amount of protons and neutrons always add up to the mass number.
It seems that you have missed the necessary details in order for us to answer this question. But as I searched for it, I also found the right answer. So based on the given passage, this implies that the author believes that the two religions can coexist but can never be philosophically reconciled. Hope this answer helps.