How many blocks are used in a game of Jenga?

A standard game of Jenga uses 54 rectangular wooden blocks. Each block is 1.5 inches high, 2.5 inches wide, and 7.5 inches long. The blocks are stacked in a tower of 18 levels, with each level consisting of three blocks placed side by side. Players take turns removing one block at a time without causing the tower to collapse.