Annie spends 4*8=<<4*8=32>>32 dollars on hamburgers.
Annie spends 3*6=<<3*6=18>>18 dollars on milkshakes.
Annie spends 32+18=<<32+18=50>>50 dollars on hamburgers and milkshakes.
Annie has 120-50=<<120-50=70>>70 dollars left.
#### 70