Q: Lara is baking cookies using four baking trays. She places five rows of cookies on a baking tray where there are six cookies in one row. How many cookies is she baking?
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A: Lara can bake 5 x 6 = <<5*6=30>>30 cookies in one tray.
So, Lara is baking a total of 30 x 4 = <<30*4=120>>120 cookies. The answer is  120.
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