Answer
The number in the elevated box is $~~101$
Work Step by Step
The number of nucleons must be conserved in the process.
We can find the initial number of nucleons:
$235+1 = 236$
We can find the number $N$ in the elevated box:
$132+N+3 = 236$
$N = 101$
The number in the elevated box is $~~101$
