This year, 12,376 phone calls were made for an annual fund raising event. last year ,9,009 phone calls were made. how many more calls were made this year?

The answer would be b ! explanation: the formula for sa *surface area * is 2×l×w+2×l×h+2×w×h so in this case l=4w=12h=8so you use the formula to solve it and it give you the answer of 352^cm^2