> Entering new AgentExecutor chain... Thought: I can use the Sum Calculator tool to find the total cost of all the given amounts. Action: ``` { "action": "Sum Calculator", "action_input": {"a": 355.39, "b": 924.87} } ``` Observation: 1280.26 Thought:``` { "action": "Sum Calculator", "action_input": {"a": 1280.26, "b": 721.2} } ``` Observation: 2001.46 Thought:``` { "action": "Sum Calculator..