(CNN) The staff at a popular Houston restaurant got a $9,400 tip from some regular customers who wanted to help them get by during the coronavirus shutdown.

A couple left a $9,400 tip for the staff at Irma's Southwest restaurant.

"We didn't expect it, to be honest with you," Galvan said. "They left a gratuity for the entire kitchen and service staff, which is unexpected."

They left $1,900 in cash and put another $7,500 tip on a credit card, Galvan said. He said the couple wanted to be anonymous.

The bill for their meal was $90.12.

The husband left a note on the receipt that said "hold tip to pay your guys over the next few weeks."

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