<human>:  John plans to sell all his toys and use the money to buy video games. He has 13 lego sets and he sells them for $15 each. He ends up buying 8 video games for $20 each and has $5 left. How many lego sets does he still have?
<bot>: How much did John spend on video games? ** He spent $160 on video games because 8 x 20 = <<8*20=160>>160
How much did John earn from selling his lego sets? ** He earned $165 from his sale because 160 + 5 = <<160+5=165>>165
How many lego sets did John sell? ** He sold 11 lego sets because 11 x 15 = <<11*15=165>>165
How many lego sets does John have left? ** He has 2 sets left because 13 - 11 = <<13-11=2>>2
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