made some refactoring

src/Pattern/SOLID/OpenClosed/Figures/AreaCalculator.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * @package: patterns
+ * @author: Yevhen Odynets
+ * @date: 2025-07-07
+ * @time: 05:28
+ */
+
+declare(strict_types = 1);
+
+namespace Pattern\SOLID\OpenClosed\Figures;
+
+class AreaCalculator
+{
+    /**
+     * @param  array  $shapes
+     *
+     * @return int|float
+     */
+    public function calculate(array $shapes, int $round_precision = 2): int|float
+    {
+        $area = [];
+
+        foreach ($shapes as $shape) {
+            $area[] = $shape->area();
+        }
+
+        $result = array_sum($area);
+
+        return is_int($result) ? $result : round($result, $round_precision, PHP_ROUND_HALF_UP);
+    }
+}