Mike changes tires on different vehicles.  He changes all the tires on 12 motorcycles and all the tires on 10 cars.  How many tires did he change? Let's think step by step and output the final answer after "####".
user
He changed 12*2=<<12*2=24>>24 motorcycle tires
He changed 10*4=<<10*4=40>>40 car tires
So he changed 24+40=<<24+40=64>>64 total tires
#### 64
Mike changes tires on different vehicles.  He changes all the tires on 12 motorcycles and all the tires on 10 cars.  How many tires did he change?
train