Hermione, Luna, and Celestia combined have 83 spelling badges. If Hermione has 14 and Luna has 17, how many spelling badges does Celestia have?
Combining Hermione and Luna has 14 + 17 = <<14+17=31>>31 spelling badges.
Removing their spelling badges from the total, Celestia has 83 - 31 = <<83-31=52>>52 spelling badges.
#### 52