human
Brandon sold 86 geckos last year. He sold twice that many the year before. How many geckos has Brandon sold in the last two years?
assistant
How many geckos did Brandon sell last year? ** Last year: 86 geckos
How many geckos did Brandon sell two years ago? ** 2 years ago: 86(2)=172
How many geckos did Brandon sell in the last two years? ** Total number of geckos sold 86+172=<<86+172=258>>258 geckos
#### 258