Well, cause im good at maths, i'ma work it out.
3.142 + 5 x 6 = 48.852 (i think).
a=30 (5x6) <-- got a and b from the last part of the equation 5(6+5), multiply whats in the brackets by the number whats outside
b=25 (5x5)
48.852 - (a + b) = -6.148
Wooah, who would have known Donkjam was chuck norris.. he has skiillzzzz, he starting playing habbo... when he was -6 years old.. cool