span class="char">'*'</span> <span class="identifier">factor</span><span class="special">)</span> <span class="special">|</span> <span class="special">(</span><span class="char">'/'</span> <span class="identifier">factor</span><span class="special">))*</span>
<span class="identifier">expression</span>  <span class="special">::=</span> <span class="identifier">term</span> <span class="special">((</span><span class="char">'+'</span> <span class="identifier">term</span><span class="special">)</span> <span clas