I felt like it meant 1 point / one same number and not just the value (1) and the fact that the value of 2 became 7 causes the inability for it to become a whole number again
7/2=3.5 3.5*3=10.5+1=11.5 and dividing it further would cause it to become 5.75 (then times three add one yadda yadda)...