$1,040 is how much you would have remaining at the end if that's what you are looking for.
24 x 21 is 504. to make a model, just make it 24 x 21 (length x width)
Answer:
In mathematics, the dot product or scalar product is an algebraic operation that takes two equal-length sequences of numbers (usually coordinate vectors), and returns a single number. ... Algebraically, the dot product is the sum of the products of the corresponding entries of the two sequences of numbers
kamsahamnida have a great day