human
John buys 5 toys that each cost $3. He gets a 20% discount. How much did he pay for everything?
assistant
How much do the toys cost? ** The toys cost 5*3=$<<5*3=15>>15
How much is his discount? ** His discount is worth 15*.2=$<<15*.2=3>>3
How much does John pay? ** So he pays 15-3=$<<15-3=12>>12
#### 12