((498*381+382)/(382*498-116)).
((498*381+382)/(382*498-116))．
<gadget id="calculator">498 * 381</gadget>
<output>189_738</output>

<gadget id="calculator">189_738 + 382</gadget>
<output>190_120</output>

<gadget id="calculator">382 * 498</gadget>
<output>190_236</output>

<gadget id="calculator">190_236 - 116</gadget>
<output>190_120</output>

<gadget id="calculator">190_120 / 190_120</gadget>
<output>1</output>

<result>1</result>