A movie theater chain has calculated the total rating y for five films. Following parameters were used in the estimation - audience x1​ (number of viewers in thousands of people), coefficient based on length of film x2​, critics' rating x3​, and coefficient based on personal opinion of movie theater chain owners which will be considered as random error. The results are shown in the table: Fit a multiple linear regression model to these data. What is the constant coefficient? Round your answers to three decimal places (e.g. 98.765 ).