<human>:  Ali has $480. He spent half of it on food, and then he spent a third of what was left on a pair of glasses. How much money did he have left?
<bot>: How much money did Ali spend on food? ** Ali spent 480/2=$<<480/2=240>>240 on food.
How much money did Ali have left? ** After buying the food, Ali had 480-240=$<<480-240=240>>240 left.
How much money did Ali spend on a pair of glasses? ** He spent 240/3=<<240/3=80>>80 dollars on a pair of glasses.
How much money did Ali have left? ** He had 240-80=$<<240-80=160>>160 left.
#### 160