(5000-2720)/(19*(256/32)).
(5000-2720)/(19*(256/32))．
<gadget id="calculator">5_000 - 2_720</gadget>
<output>2_280</output>

<gadget id="calculator">256 / 32</gadget>
<output>8</output>

<gadget id="calculator">19 * 8</gadget>
<output>152</output>

<gadget id="calculator">2_280 / 152</gadget>
<output>15</output>

<result>15</result>