volume bangun gabungan di atas adlah

Kubus=14x14x14=2744
Balok=21x14x14=4116
2744+4116=6860 cm³

V = V1 +V2
= (21m x 14cm x 14cm) + (14 cm x 14cm x14cm)
=4116 cm^3 +2744 cm^3
=6860 cm^3