What is longmult 18*12 ?

The solution to longmult 18*12 is 216

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longmult 18*12

long multiplication

18 \cdot 12

216

Solution steps

18 \cdot 12

Line up the numbers

\times 1182

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Multiply the top number by the bolded digit of the bottom number

\times 1182

Mutliply the bold numbers:

8 \cdot 2 = 16

Carry

1

to the column on the left and write

6

in the result line

\frac{\times 1 1 1 8 2}{6}

Add the carried number to the multiplication:

1 + 1 \cdot 2 = 3

\frac{\times 1 1 1 8 2}{3 6}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 1 1 8 2}{3 6}

Mutliply the bold numbers:

8 \cdot 1 = 8

\frac{\times 1 1 8 2}{3 8 6}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 8 2}{1 3 8 6}

Add the rows to get the answer. For simplicity, fill in trailing zeros

\frac{\times 1 1 8 2}{0 1 3 8 6 0}

36 + 180 = 216

+ 013860

Add the digits of the bolded column:

6 + 0 = 6

\frac{+ 0 1 3 8 6 0}{+ 6}

Add the digits of the bolded column:

3 + 8 = 11

\frac{+ 0 1 3 8 6 0}{+ 6}

Carry

1

to the column on the left and write

1

in the bolded column

\frac{+ 1 0 1 3 8 6 0}{+ 1 6}

Add the digits of the bolded column:

1 + 0 + 1 = 2

\frac{+ 1 0 1 3 8 6 0}{+ 2 1 6}

= 216

= 216

\frac{57}{3}

\frac{36}{12}

8^{2} - (5 - 2)^{2}

10 \cdot (3 - 2 \cdot (5 - 6) - 2 \cdot (4 - 8))

25 - 16