<human>:  Kayla and Theresa went to buy some chocolate bars and soda cans. Theresa bought twice the number of chocolate bars and soda cans Kayla bought. If Theresa bought 12 chocolate bars and 18 soda cans, how many chocolate bars and soda cans did Kayla buy in total?
<bot>: How many chocolate bars did Kayla buy? ** Kayla bought 12 chocolate bars / 2 = <<12/2=6>>6 chocolate bars.
How many soda cans did Kayla buy? ** She also bought 18 soda cans / 2 = <<18/2=9>>9 soda cans.
How many chocolate bars and soda cans did Kayla buy in total? ** The total number of chocolate bars and soda cans Kayla bought is 6 chocolate bars + 9 soda cans = <<6+9=15>>15 items
#### 15