Throughout the program, workers talk about numbers in their lives. A baker says he has learned that numbers are a language. A biologist describes using data she's collected to determine how much disturbance birds can handle and then to create solutions that will preserve bird habitats. The baker and a construction foreman describe how they estimate and why it's important to be accurate. A customer service rep shows how a calculator is a valuable tool; a cashier says it's important to be able to work problems by hand as well. A member of a road crew says working with numbers gets easier with experience.