jika a=27 dan b=32 maka nilai dari 3[a-1per3] x 4[b-2per5]

3 (a - 1/3) x 4(b - 2/5)
= 3(27 - 1/3) x 4(32 - 2/5)
= 3(81/3 - 1/3) x 4(160/5 - 2/5)
= 3(80/3) x 4(158/5)
= 240/3 x 632/5
= 80 x 790/5
= 16 x 632
= 10.112