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  1. #!/bin/bash
  2. echo "number 1"
  3. read a
  4. echo "number 2"
  5. read b
  6.  
  7. sum=$(echo "$a + $b" | bc)
  8. diff=$(echo "$a - $b" | bc)
  9. quot=$(echo "scale=2; $a / $b" | bc)
  10. rem=$(echo "$a % $b" | bc)
  11.  
  12. echo "sum=$sum"
  13. echo "difference=$diff"
  14. echo "quotation=$quot"
  15. echo "remainder=$rem"
Success #stdin #stdout 0.03s 25652KB
stdin
Standard input is empty
stdout
echo "number 1"
read a
echo "number 2"
read b 

sum=$(echo "$a + $b" | bc)
diff=$(echo "$a - $b" | bc)
quot=$(echo "scale=2; $a / $b" | bc)
rem=$(echo "$a % $b" | bc)

echo "sum=$sum"
echo "difference=$diff"
echo "quotation=$quot"
echo "remainder=$rem"