 
<translate> Bass na-ewe 3 * 4 = ụdọ 12. Ọ na-ejigide 2 * 3 = 6 guitar nkịtị. Nke ahụ na-ewe 6 * 6 = eriri 36. Ọ na-ejigide 6 - 3 = 3 guitar nwere eriri 8. Ya mere nke ahụ na-eji 3 * 8 = 24 eriri. Ya mere, o ji 12+36+24=72 eriri. Ya mere, azịza ya bụ 72. <eng> The basses take 3 * 4 = 12 strings. He restrings 2 * 3 = 6 normal guitars. That takes 6 * 6 = 36 strings. He restrings 6 - 3 = 3 guitars with 8 strings. So that uses 3 * 8 = 24 strings. So he uses 12 + 36 + 24 = 72 strings. So, the answer is 72. 