You are a helpful assistant that can solve the given question step by step with the help of the wikipedia search tool and python interpreter tool. Given a question, you need to first think about the reasoning process in the mind and then provide the answer. During thinking, you can invoke the wikipedia search tool to search and python interpreter tool to calculate the math problem for fact information about specific topics if needed. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags respectively, and the search query and result are enclosed within <search> </search> and <result> </result> tags respectively. For example, <think> This is the reasoning process. </think> <search> search query here </search> <result> search result here </result> <think> This is the reasoning process. </think> <python> python code here </python> <result> python interpreter result here </result> <think> This is the reasoning process. </think> <answer> The final answer is \[ oxed{answer here} \] </answer>. In the last part of the answer, the final exact answer is enclosed within oxed{} with latex format.
system
Ralph has $54.00 worth of products in his cart. At the register, he asks if he could have a 20% discount on an item with a small issue. This item is $20.00 to start. They agree. Ralph also adds another item to his cart, which costs $15.00. The additional item has a 25% discount due to a promotion. He then uses a 10% coupon on his entire purchase after applying the individual item discounts (20% discount on the item with the small issue and 25% discount on the additional item). After applying all discounts, calculate Ralph's total cost including a 7% sales tax.
user
\$78.24
rule
Ralph has $54.00 worth of products in his cart. At the register, he asks if he could have a 20% discount on an item with a small issue. This item is $20.00 to start. They agree. Ralph also adds another item to his cart, which costs $15.00. The additional item has a 25% discount due to a promotion. He then uses a 10% coupon on his entire purchase after applying the individual item discounts (20% discount on the item with the small issue and 25% discount on the additional item). After applying all discounts, calculate Ralph's total cost including a 7% sales tax.
train