# Numeric Answers - PGML

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## Numeric Answer Checkers

To use a number as an answer, just put the number in braces after the answer blank:

BEGIN_PGML The value of [: 3 + 5:] is [______]{8} END_PGML

The value can be stored in a variable:

$a = 3; $b = 5; $answer = $a + $b; BEGIN_PGML The value of [: [$a] + [$b]:] is [______]{$answer} END_PGML

or it can be an expression producing the value:

$a = 3; $b = 5; BEGIN_PGML The value of [: [$a] + [$b]:] is [______]{$a+$b} END_PGML

The number can be a MathObject Real or Complex, or Fraction, or other numeric value as well

$a = 3; $b = 5; $answer = Compute("$a + $b"); BEGIN_PGML The value of [: [$a] + [$b]:] is [______]{$answer} END_PGML