The Seven-Dice Shuffle (opens in new tab)

In a carnival game, you roll seven ordinary dice and then arrange them to form a 7-digit number. If your number is a multiple of 2, you’ll win £2. If your number is a multiple of 3, you’ll win £3. If your number is a multiple of 4, you’ll win £4. If your number is a multiple of 5, you’ll win £5. If your number is a multiple of 6, you’ll win £6. If your number is a multiple of 7, you’ll win £7. The catch is that you have to announce the prize you’re attempting before you roll the...