(559+1239)/29*18．
(559+1239)/29*18．
<gadget id="calculator">559 + 1_239</gadget>
<output>1_798</output>

<gadget id="calculator">1_798 / 29</gadget>
<output>62</output>

<gadget id="calculator">62 * 18</gadget>
<output>1_116</output>

<result>1_116</result>