%var figure, banana, clock

s = solve([figure + figure + figure == 45, banana + banana + figure == 23, 
           banana+clock+clock==10], [figure, banana, clock], solution_dict=True)[0]
s

s[clock] + s[banana] + s[banana] * s[figure]

# or if the puzzle is stupid regarding order of operations...
(s[clock] + s[banana] + s[banana]) * s[figure]