Answer: 288
\(\text{Count up the additional sundaes using less ingredients}\\ N_3 = 8 (3\cdot 2 + 4 \cdot 3 + 4 \cdot 2) = 208\\ N_2 = 8(4 + 3 + 2) = 72\\ N_1 = 8\\ N_1+N_2+N_3 = 288\)