In Mark 6, how many denarii did the disciples say it would cost to buy bread for the crowd?

Answer: Two hundred

When Jesus said, "You give them something to eat," they asked if they should spend two hundred denarii on bread.

“But Jesus told them, “You give them something to eat.” They asked Him, “Should we go out and spend two hundred denarii to give all of them bread to eat?””— Mark 6:37 (BSB)