What is the number in column B/C for on my T2202 form?

In addition to claiming tuition and ancillary fees, you are also eligible to claim $400 for each month of full-time study or $120 for each month of part-time study. A full-time month equals at least 12 contact hours per week times three (3) consecutive weeks. A part-time month equals at least 3 consecutive weeks and involves a minimum of 12 hours of instruction each month.