import io
import sys

sys.stdin = io.StringIO('''4
5 5 5
1 2 40
10 5 41
7 2 42''')

# 80%
n = int(input())

flag = True
for _ in range(n):
    chang, kuan, gao = map(int, input().split())
    if gao >= 41:
        continue

    tiji = chang * kuan * gao
    flag = False
    print(tiji)

if flag:
    print(0)