an> <span class="fu"><a href="https://rdrr.io/r/base/Round.html" class="external-link">ceiling</a></span><span class="op">(</span><span class="va">q</span> <span class="op">*</span> <span class="fu"><a href="https://rdrr.io/r/base/MathFun.html" class="external-link">sqrt</a></span><span class="op">(</span><span class="fl">72</span><span class="op">)</span> <span class="op">+</span> <span class="fl">3</span><span class="op">/</span><span class="fl">2</span><span class="op">)</span></span>
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