Calculs avec PHP

Addition : $a + $b = " . ($a + $b) . "

"; echo "

Soustraction : $a - $b = " . ($a - $b) . "

"; echo "

Multiplication : $a × $b = " . ($a * $b) . "

"; echo "

Division : $a ÷ $b = " . ($a / $b) . "

"; ?>