#24449: python 解答 AC
#a244: 新手訓練 ~ for + if AC
for i in range(int (input())):
a=list (map(int,input().split()))
if a[0]==1:
print(a[1]+a[2])
elif a[0]==2:
print(a[1]-a[2])
elif a[0]==3:
print(a[1]*a[2])
else:
print(int (a[1]/a[2]))