GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
<!-- Example came from interfacing Macaulay2: evaluates to Z(5)*a*x_1^3 --> <OMOBJ xmlns="http://www.openmath.org/OpenMath" version="2.0"> <OMA> <OMS cd="polyd1" name="DMP"/> <OMA id="polyringPVqOdEpUtDXHg1A6"> <OMS cd="polyd1" name="poly_ring_d"/> <OMA id="fbp1"> <OMS cd="field3" name="field_by_poly"/> <OMA id="r1"> <OMS cd="setname2" name="GFp"/> <OMI>5</OMI> </OMA> <OMA> <OMS cd="polyd1" name="DMP"/> <OMA id="r2"> <OMS cd="polyd1" name="poly_ring_d_named"/> <OMA id="r1"> <OMS cd="setname2" name="GFp"/> <OMI>5</OMI> </OMA> <OMV name="a"/> </OMA> <OMA> <OMS cd="polyd1" name="SDMP"/> <OMA> <OMS cd="polyd1" name="term"/> <OMI>1</OMI> <OMI>2</OMI> </OMA> <OMA> <OMS cd="polyd1" name="term"/> <OMI>1</OMI> <OMI>1</OMI> </OMA> <OMA> <OMS cd="polyd1" name="term"/> <OMI>2</OMI> <OMI>0</OMI> </OMA> </OMA> </OMA> </OMA> <OMI>2</OMI> </OMA> <OMA> <OMS cd="polyd1" name="SDMP"/> <OMA> <OMS cd="polyd1" name="term"/> <OMA> <OMS cd="field4" name="field_by_poly_vector"/> <OMR href="#fbp1"/> <OMA> <OMS cd="list1" name="list"/> <OMI>0</OMI> <OMI>2</OMI> </OMA> </OMA> <OMI>3</OMI> <OMI>0</OMI> </OMA> </OMA> </OMA> </OMOBJ>