<wj-body class="wj-body"><div class="wj-math wj-math-block"><span class="wj-equation-number"><span class="wj-equation-paren wj-equation-paren-open">(</span>1<span class="wj-equation-paren wj-equation-paren-close">)</span></span><code class="wj-math-source wj-hidden" aria-hidden="true">\frac{1}{2</code><span class="wj-error-block">The token "RBrace" is expected, but the token "EOF" is found."</span></div></wj-body>