In mid-2015, Cisco Systems had a market capitalization of $121 billion. It had A-rated debt of $25 billion as well as cash and short-term investments of $60 billion, and its estimated equity beta at the time was 1.31.

a. What is Cisco's enterprise value?

b. Assuming Cisco's debt has a beta of zero, estimate the beta of Cisco's underlying business enterprise.

Cisco's enterprise value is______ billion. (Round to the nearest integer.)