Parse successful

<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:dap4/vol_1_ce_1.xml" dapVersion="4.0" dmrVersion="1.0" name="vol_1_ce_1">

    <Int32 name="u"/>

    <Int32 name="v"/>

    <Structure name="Point">

        <Int32 name="x"/>

        <Int32 name="y"/>

    </Structure>

</Dataset>

<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" dapVersion="4.0" dmrVersion="1.0" name="function_results">

    <Float64 name="u">

        <Attribute name="DAP4_Checksum_CRC32" type="String">

            <Value>c82799a1</Value>

        </Attribute>

    </Float64>

</Dataset>

The data:

{ 1.52415787501905e+16 }