Barbara went shopping in a supermarket. She bought 5 packs of tuna for $2 each and 4 bottles of water for $1.5 each. In total, she paid $56 for her shopping. How much did Barbara spend on different than the mentioned goods? Let's think step by step and output the final answer after "####".
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For the tuna Barbara needed to pay 5 * 2 = $<<5*2=10>>10.
For the four bottles of water, she needed to pay 4 * 1.5 = $<<4*1.5=6>>6.
On different goods Barbara spend 56 - 10 - 6 = $<<56-10-6=40>>40.
#### 40
Barbara went shopping in a supermarket. She bought 5 packs of tuna for $2 each and 4 bottles of water for $1.5 each. In total, she paid $56 for her shopping. How much did Barbara spend on different than the mentioned goods?
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