Here is the formula question

Question	Answer
This is the total	I am some total
=
This is the thing to start with Error: You must enter something into the start field	You can enter up to 200 words
This is an extra question Error: You must enter something into the extra field
+
This is the thing to add Error: You must enter something into the add field	You can enter up to 300 words
-
This is the thing to subtract Error: You must enter something into the subtract field	You can enter up to 400 words