16^2-25/5+6(3)4=

i having trouble,been on this problem for a while need help and understanding of how the answer 323 when i keep coming up with a lower number. hhelp

16 ^ 2 = 256

25 / 5 = 5

If 6(3)4 mean 6 * 3 * 4 then .

16^2-25/5+6(3)4= 256 - 5 + 72 = 323