The Conditions

• Expense 1 = $34

• Expense 2 = $21

• Expense 3 = $50

The Formula Syntax

if(contains(prop("Other Expenses"), "Expense 1"), 34, 0) + if(contains(prop("Other Expenses"), "Expense 2"), 21, 0) + if(contains(prop("Other Expenses"), "Expense 3"), 50, 0)

Add New Select To Formula

Add this string to the end

+ if(contains(prop("Other Expenses"), "Expense 4"), Enter Value, 0)

View Example In Notion