손자산경에 나온 곱셈과 나눗셈 방법은 알콰리즈미가 한두 아라비아숫자로 계산한 방법과 같다.
Directions for multiplication and division calculations in the Sun Zi Suan Jing were the same as those for Hindu-Arabic numbers in al-Khwārizmī’s book on arithmetic.