Method divide

java/lib/src/main/java/io/github/ccxt/Helpers.java:417–429

(Object a, Object b)

    // public float subtract(float a, float b) { return a - b; }

    public static Object divide(Object a, Object b) {
        a = normalizeIntIfNeeded(a);
        b = normalizeIntIfNeeded(b);
        if (a == null || b == null) return null;

        if (a instanceof Long && b instanceof Long) {
            return ((Long) a).doubleValue() / ((Long) b); // we want the reminder hence the cast
        } else if (a instanceof Double && b instanceof Double) {
            return ((Double) a) / ((Double) b);
        } else {
            return toDouble(a) / toDouble(b);
        }
    }

    public static Object multiply(Object a, Object b) {
        a = normalizeIntIfNeeded(a);