REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
    'PAGE_SIZE': 2,
    'DEFAULT_PARSER_CLASSES': (
        'rest_framework_xml.parsers.XMLParser',
      ),
    'DEFAULT_RENDERER_CLASSES': (
        'rest_framework_xml.renderers.XMLRenderer',
      ),
}

<root>
<count>1</count>
<next/>
<previous/>
<results>
<list-item>
<id>2</id>
<expressions>
<expression><add><number>1</number></add><multiply><number>2</number<number>8</number></multiply></expression><expression><minus><divide><number>1</number><number>2</number</divide><number>8</number></minus></expression>
</expressions>
</list-item>
</results>
</root>