Anyway I need to get back to Stuttgart in time to watch Kraftwerk.

I’ll spend your 100 million, too, if you want. I’ll be the second idiot to shoot his car into space.

I’ll take your billion.

Thanks, I hate it.

<fun>
  <name>sum</name>
  <in>
    <int>
      <name>foo</name>
    </int>
    <int>
      <name>bar</name>
      <default_value>
        <int>0</int>
      </default_value>
    </int>
  </in>
  <out>
    <int>
      <calculation>
        <numerical_operation>
          <operator_plus>
            <operand>
              <var>foo</var>
            </operand>
            <operand>
              <var>bar</var>
            </operand>
          </operator_plus>
        </numerical_operation>
      </calculation>
    </int>
  </out>
</fun>