In 1640 at the age of 13 he took up the study of mathematics

Can you repeat this sentence, but add in punctuation?
In 1640, at the age of 13, he took up the study of mathematics.
input: The laptop market is already threatened by the iPad
fixed: " The laptop market is already threatened by the iPad?
input ---- A Christian may from force of habit or under weakness and temptation sin
output ---- A Christian may, from force of habit, or under weakness and temptation, sin.
Add punctuation: Read about the challenges we can help you with
A: Read about the challenges we can help you with.
QUESTION: Fix punctuation: How often have you seen examples where enormous effort put into doing a job well has apparently been completely ignored by the customer the customer meanwhile has chosen instead to complain about an apparently trivial aspect of the product or service they have received
ANS: How often have you seen examples where enormous effort put into doing a job well has apparently been completely ignored by the customer: the customer, meanwhile has chosen instead to complain about an apparently trivial aspect of the product or service they have received.
input ---- Open and flatten the pockets We get birds eye
output ----
Open and flatten the pockets. We get bird's eye.