public function testDivide()
{
$l = '894659845843956495764685';
$r = '4756936453645';
$expected = '188074794473';
$this->assertEquals($expected, Number::divide($l, $r));
}
/**
* Computes the average value for a list of numbers
* @return string
*/
public function average()
{
Number::setScale(static::NUMERIC_FUNCTIONS_SCALE);
return Number::divide($this->sum(), \strval($this->count()));
}