<prompt> Translate the following text to EnglishTangu mwishoni mwa miaka ya 1970, mashine za kuchezea zimekuwa aina maarufu zaidi ya michezo ya kubahatisha huko Las Vegas, na kwa hivyo zinashinda michezo ya meza katika kasinon nyingi.  <response>: Since the late 1970s, slot machines have become the most popular form of gaming in Las Vegas so much so that they supersede the play at table games in many casinos. 