Double click on the entry line of the 1099-B. You can enter larger numbers on this sheet, and it is stated that you can do so, which makes me think that's what they made the extra sheet for.
Sad that after 2 support calls, all they could tell me was the previous answer here - to split it 4 ways, and then I lucked into figuring it out.
It's irritating that "support" only comes here to the community to get their answers.
Sandra Finch CPA