사칙연산 Arithmetic operations

1. 덧셈 (Addition)
   
   Add, Plus
   
   • 3 plus 4 equals 7.
   • Add 5 and 6 to get 11.
     
     
2. 뺄셈 (Subtraction)
   
   Subtract, Minus
   • 8 minus 2 equals 6.
   • Subtract 3 from 9 to get 6.
     
     
3. 곱셈 (Multiplication)
   
   Multiply
   • 2 multiplied by 5 equals 10.
   • Multiply 7 and 4 to get 28.
     
     
4. 나눗셈 (Division)
   
   Divide
   
   • 9 divided by 3 equals 3.
   • Divide 20 by 4 to get 5.