(25*4+9+70)+(200-60+5)+143+(56/8*9)-48

1) 25 * 4 = 100
2) 100 + 9 = 109
3) 109+70=179

4) 200-60=140
5) 140 + 5 = 145 

6) 56:8 = 7
7) 7*9 = 63

8) 143 + 63 = 206
9) 206 - 48 = 158

179 + 145 + 158 =482