CalculatorMultStories.java

import static org.jbehave.asciidoctor.reporter.AsciidoctorStoryReporter.ASCIIDOC;

//....

public class CalculatorMultStories extends JUnitStory {

	@Override
	public Configuration configuration() {
		return super.configuration().useStoryReporterBuilder(
				new StoryReporterBuilder().withDefaultFormats().withFormats(
						ASCIIDOC, HTML));
	}

	// Here we specify the steps classes
	@Override
	public InjectableStepsFactory stepsFactory() {
		return new InstanceStepsFactory(configuration(),
				new MultiplyTwoNumbersSteps(), new AddTwoNumbersSteps());
	}
	
}