((190+370*285)/(370*286-180)).
((190+370*285)/(370*286-180))．
<gadget id="calculator">370 * 285</gadget>
<output>105_450</output>

<gadget id="calculator">190 + 105_450</gadget>
<output>105_640</output>

<gadget id="calculator">370 * 286</gadget>
<output>105_820</output>

<gadget id="calculator">105_820 - 180</gadget>
<output>105_640</output>

<gadget id="calculator">105_640 / 105_640</gadget>
<output>1</output>

<result>1</result>