and. Adding that resulting <a href="dart-ui/Offset-class.html">Offset</a> to the <a href="dart-ui/Size-class.html">Size</a> that was the
right-hand-side operand would return a <a href="dart-ui/Size-class.html">Size</a> equal to the <a href="dart-ui/Size-class.html">Size</a> that was
the left-hand-side operand. (i.e. if <code>sizeA - sizeB -&gt; offsetA</code>, then
<code>offsetA + sizeB -&gt; sizeA</code>)</p>
<p>Subtracting an <a href="dart-ui/Offset-class.html">Offset</a> from a <a href="dart-ui/Size-clas