→ 14.987 → 15 (round up)
→ 3.614 → 4 (round up)
→ 15 × 4
→ nearest whole number, is a number before the decimal point
→ round up, if the number was followed by greater than 5 (5,6,7,8,9) (magdadagdag at aalisin Ang mga kasunod na number)
→round off, round off if the number was followed by less than 5 (4,3,2,1,0) (aalisin lamang Ang mga kasunod na number)