(1978-1949)*(1993-1927)+87．
(1978-1949)*(1993-1927)+87．
<gadget id="calculator">1_978 - 1_949</gadget>
<output>29</output>

<gadget id="calculator">1_993 - 1_927</gadget>
<output>66</output>

<gadget id="calculator">29 * 66</gadget>
<output>1_914</output>

<gadget id="calculator">1_914 + 87</gadget>
<output>2_001</output>

<result>2_001</result>