="sourceLineNo">126</span>        sb.append(")");<a name="line.126"></a>
<span class="sourceLineNo">127</span>        return sb.toString();<a name="line.127"></a>
<span class="sourceLineNo">128</span>    } // end method 'toString()'<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>    /**<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * Constructs a new {@code 'a * 'b} value, and wraps it.<a name="line.131"></a>
<span 