public function mul($value)
    {
        $value = Cast::Float($value);

        if ($this->value === null) {
            return new FloatType($this->value);
        }

        return new FloatType($this->value * $value);
    }
public function mul($value)
    {
        $value = Cast::Float($value);

        if ($this->value === null) {
            return new FloatType($this->value);
        }

        return new FloatType($this->value * $value);
    }
public function mul ( $ value ) { $ value = Cast :: Float ( $ value ) ; if ( $ this -> value === null ) { return new FloatType ( $ this -> value ) ; } return new FloatType ( $ this -> value * $ value ) ; }
Multiplication. Product is always FloatType.

@param  mixed $value
@return FloatType
Multiplication . Product is always FloatType .