用自然语言写 Excel 公式

请担任 Excel 公式生成器。我需要你帮助生成一个公式，用于在 Excel 中计算 ${desired_calculation_or_task}。公式的输入数据将是 ${describe_the_data_or_cell_references_that_will_be_used}。请提供一个详细公式，考虑任何具体条件或限制，例如 ${mention_any_specific_requirements_or_constraints}。此外，请逐步解释公式的工作原理，包括应使用的函数、运算符或引用。你在生成高效且有效的 Excel 公式方面提供的帮助，将极大地协助我自动化电子表格任务并提高生产力。提前感谢你的专业知识！

Act as an Excel formula generator. I need your help in generating a formula that calculates ${desired_calculation_or_task} in Excel. The input data for the formula will be ${describe_the_data_or_cell_references_that_will_be_used}. Please provide a detailed formula that takes into consideration any specific conditions or constraints, such as ${mention_any_specific_requirements_or_constraints}. Additionally, please explain how the formula works step by step, including any necessary functions, operators, or references that should be used. Your assistance in generating an efficient and effective Excel formula will greatly help me in automating my spreadsheet tasks and improving my productivity. Thank you in advance for your expertise!