Sun Zi's Mathematical Classic

Page Thirty-Three

Two times six is twelve; this number multiplied by itself|original: 自相乘; zì xiāng chéng yields one hundred forty-four. Calculation: $12 \times 12 = 144$.
　　Divided among two people, each person receives seventy-two. Calculation: $144 \div 2 = 72$. Note that $36 \times 2 = 72$.

One times six is|original: 如; rú six; In traditional Chinese mathematical rhymes, "rú" is often used to mean "is" or "results in." this number multiplied by itself yields thirty-six. Calculation: $6 \times 6 = 36$.
　　One person receives thirty-six.

The total of the six items original: 條; tiáo. This refers to the six results from this sequence: $36, 30, 24, 18, 12,$ and $6$. recorded to the right yields one hundred twenty-six; this number multiplied by itself yields fifteen thousand, eight hundred seventy-six. Calculation: $(36+30+24+18+12+6)^2 = 126^2 = 15,876$.
　　Divided among six people, each person receives two thousand, six hundred forty-six. Calculation: $15,876 \div 6 = 2,646$.

Five times five is twenty-five; this number multiplied by itself yields six hundred twenty-five. Calculation: $25 \times 25 = 625$.
　　Divided among five people, each person receives one hundred twenty-five. Calculation: $625 \div 5 = 125$. Note that the result is $5^3$.