<human>:  For Halloween, Taquon, Mack and Jafari put their candy together and they had 418 pieces of candy. If Taquon and Mack each had 171 pieces of candy, how many pieces of candy did Jafari start with?
<bot>: How many pieces of candy did Taquon and Mack have together? ** Taquon + Mack = 2 * 171 = 342 pieces
How many pieces of candy did Jafari start with? ** 418 - 342 = <<418-342=76>>76 pieces
How many pieces of candy did Jafari start with? ** Jafari started with 76 pieces of candy.
#### 76