A regular hexagon with an area of 21.12 square centimeters (cm2) is divided into six pieces. If the cut pieces have the same shape and size, find the area of one piece in square centimeters (cm2).
21.12 6 [OP_DIV]
var_a = 21.12
var_b = 6
var_c = var_a / var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))