kak, tlg jawab soal ini dong, saya bingung

v. 2 kerucut = 2 * 1/3 * pi * r * r * t = 2 * 1/3 * 3,14 * 6 * 6 * 16 = 1.205,76
v. tabung = pi * r * r * t = 3,14 * 6 * 6 * 10 = 1.130,4

v. gabungan = 1.205,76 + 1.130,4 = 2.336,16