This Application Problem is a part of the Lesson 14, Unit 3, Grade 4. This Application Problem reviews the objective of Lesson 13: Use multiplication, addition, or subtraction to solve multistep word problems. Tyler planted potatoes, oats, and corn. He planted 23 acres of potatoes. He planted 3 times as many acres of oats as potatoes, and he planted 4 times as many acres of corn as oats. How many acres did Tyler plant with potatoes, oats, and corin all?