(1540+260)/(721-571)
(1540+260)/(721-571)
<gadget id="calculator">1_540 + 260</gadget>
<output>1_800</output>

<gadget id="calculator">721 - 571</gadget>
<output>150</output>

<gadget id="calculator">1_800 / 150</gadget>
<output>12</output>

<result>12</result>