Bert was able to earn 8 x $18 = $<<8*18=144>>144 for the toy phones.

While Tory was able to earn 7 x $20 = $<<7*20=140>>140 for the toy guns.

Therefore, Bert was able to earn $144 – $140 = $<<144-140=4>>4 more than Tory.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Bert was able to sell 8 toy phones for $18 each, while Tory was able to sell 7 toy guns for $20 each. How much more did Bert earn than Tory?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
Bert was able to sell 8 toy phones for $18 each, while Tory was able to sell 7 toy guns for $20 each. How much more did Bert earn than Tory?
train