nutz-1.r.62

Context context = Lang.context();
context.set("a", new BigDecimal("7000000000"));
context.set("b", new BigDecimal("358928244"));
Object eval = El.eval(context, "a-b");
System.out.println(eval.getClass());
System.out.println(eval);

output:
class java.lang.Integer
-1948862836