<human>:  Allie, Rob, and Allyn each bought a bowl of grapes. Allie's bowl contained two more grapes than Rob's bowl. Allyn's bowl contained four more grapes than Allie's bowl. If Rob's bowl contained 25 grapes, what is the total combined number of grapes in all three bowls?
<bot>: How many grapes were in Allie's bowl? ** If Allie's bowl contained two more grapes than Rob's bowl, there were 25+2=<<25+2=27>>27 grapes in Allie's bowl.
How many grapes were in Allyn's bowl? ** If Allyn's bowl contained four more grapes than Allie's bowl, there were 27+4=<<27+4=31>>31 grapes in Allyn's bowl.
What is the total combined number of grapes in all three bowls? ** The total combined number of grapes in all three bowls is 25+27+31=<<25+27+31=83>>83 grapes.
#### 83