A conical sand pile has a bottom area of 16 square meters and a height of 2.4 meters. If each cubic meter of sand weighs 1.7 tons, how many tons does this pile of sand weigh?

A conical sand pile has a bottom area of 16 square meters and a height of 2.4 meters. If each cubic meter of sand weighs 1.7 tons, how many tons does this pile of sand weigh?

16 × 2.4 × 13 × 1.7, = 21.76 tons; a: this pile of sand weighs 21.76 tons