Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to multiply with more than one digit [title] Choose your numbers. [substeps] Have at least two numbers to multiply. It doesn't matter if they are one digit, two digit, or even ten digit numbers.

Ending1: You just need more than one number to multiply. For example: twenty-three and forty. Ending2: If you can't count one digit, multiply by two. Either they are all the same number or they are mixed up. Ending3: This is called the multiplication method and it stays the same. [title] Multiply by one or two digits. Ending4: Too many numbers will mean you run out of total numbers. Even if you can multiply on nothing but one-number cards, you may have more numbers that you need to divide.

Answer format: ending1/ending2/ending3/ending4