[tex]2 \times \frac12rim \: + 2kodi + 3lusin + 2gros[/tex] itu 2 gros

2 gros × 1/2 rim + 2 kodi + 3 lusin
2 × 144 × 1/2 × 500 + 2 × 20 + 3 × 12
288 × 250 + 40 + 36
72.000 + 40 + 36 = 72.072 buah

semoga membantu yaa....
[tex](2 \times144) \times (\frac{1}{2} \times 500) + (2 \times 20 )+ (3 \times 12 )+ (2 \times 144) \\ = (288 \times 250) + 40 + 36 + 288 \\ = 72000 + 364 \\ = 72364[/tex]