92 per 5 dikurang 4,8 + buka kurung 13 per 4 dikurang 50% tutup kurung =​

92/5 – 4,8 + (13/4-50%)

92/5-48/10+(13/4-50/100)

92/5-48/10+(275/100)

1840/100-480/100+275/100

1635/100

16,35