import math


def main():
    n, x, y = map(int, input().split())
    
    rapp = int(y/x) # à partir de cb
    if rapp > 0:
        return math.ceil(math.log2(n)-math.log2(int(y/x)))*(x+y)+int(y/x)*x
        
    return math.ceil(math.log2(n))*(x+y)


for _ in range(int(input())):
    print(main())