Here is a breakdown of how multiplication works:
To multiply 64 by 49, first we break down the multipliers into 60+4 and
40+9
Then we add all the products of 60 & 40, 60 & 9, 40 & 4 and 4 & 9
2400 + 540 + 160 + 36 = 3136
= free = members only