The number of insects the geckos eat is 5 x 6 = <<5*6=30>>30.

The number of insects the lizards eat is 3 x 12 = <<3*12=36>>36.

The total number of insects eaten is 30 + 36 = <<30+36=66>>66 insects.

# Answer

66
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5 geckos on the kitchen window eat 6 insects each. 3 lizards eat twice as much as the geckos.  How many total insects were eaten?
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66
5 geckos on the kitchen window eat 6 insects each. 3 lizards eat twice as much as the geckos.  How many total insects were eaten?
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