(28+172)*88-78．
(28+172)*88-78．
<gadget id="calculator">28 + 172</gadget>
<output>200</output>

<gadget id="calculator">200 * 88</gadget>
<output>17_600</output>

<gadget id="calculator">17_600 - 78</gadget>
<output>17_522</output>

<result>17_522</result>