title: Bash Multiplying Decimal to int
body: <p>I read price from user input. When i multiply the input with int like this       </p>
  
  <p></p>
  
  <blockquote>
    <p>T=<code>"$((PRICE*QTY))"|bc</code>; gives
    line 272: 12.00: syntax error: invalid arithmetic operator (error token is ".00") 
     or .50 </p>
  </blockquote>
  
  <p>depending on user input. How do i multiply these two variables and get a total with 2 decimal points? </p>