Context: Since 2005, Notre Dame has been led by John I. Jenkins, C.S.C., the 17th president of the university. Jenkins took over the position from Malloy on July 1, 2005. In his inaugural address, Jenkins described his goals of making the university a leader in research that recognizes ethics and building the connection between faith and studies. During his tenure, Notre Dame has increased its endowment, enlarged its student body, and undergone many construction projects on campus, including Compton Family Ice Arena, a new architecture hall, additional residence halls, and the Campus Crossroads, a $400m enhancement and expansion of Notre Dame Stadium.

Question: When did John Jenkins become the president of Notre Dame?
Answer: 2005

Question: In terms of the amount of presidents Notre Dame has had, where is John Jenkins on the list?
Answer: 17th

Question: Who was the Notre Dame president that preceded John Jenkins?
Answer: Malloy

Question: Which arena was constructed under Jenkins at Notre Dame?
Answer: Compton Family Ice Arena

Question: How much money was spent on enhancing Notre Dame Stadium under John Jenkins?
Answer: $400m