randRange(2, 9)
randFromArray([randRange(100, 999), randRange(1000, 9999)])
[]
graph.multiplier = new Multiplier( BIG_FACTOR, SMALL_FACTOR );
graph.multiplier.show();
DUMMY = Array( graph.multiplier.getNumHints() );
SMALL_FACTOR * BIG_FACTOR
graph.multiplier.showHint();