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  1. <?php
  2. $a = "123";
  3. $b = "322";
  4. $resultSum = $a+$b;
  5. $resultProd = $a*$b;
  6.  
  7. echo "a+b={$resultSum}, a*b={$resultProd}\n";
Success #stdin #stdout 0.01s 82880KB
stdin
Standard input is empty
stdout
a+b=445, a*b=39606