Python:

n = int(input())
for i in range(1,n+1):
    a,b,c = map(int,input().split())
    if a == 1:
        print(b+c)
    elif a == 2:
        print(b-c)
    elif a == 3:
        print(b*c)
    elif a == 4:
        print('%.0f'%(b/c))