readData method
Implementation
@override
Future readData(ReadBlockController? readBlockController) async {
final double a = NumberSerializable.fromMap(await readBlockController!
.readInput(blockInputTargetKey: 'OPERATOR_A'));
final double b = NumberSerializable.fromMap(
await readBlockController.readInput(blockInputTargetKey: 'OPERATOR_B'));
return NumberSerializable.toMap(
(Random().nextInt(b.toInt() - a.toInt() + 1) + a.toInt()).toDouble(),
);
}