1.25+2.25+3.25+4.25+5.25+...+50.25．
1.25+2.25+3.25+4.25+5.25+…+50.25．
<gadget id="calculator">1 + 50</gadget>
<output>51</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">51 * 25</gadget>
<output>1_275</output>

<gadget id="calculator">1_275 + 12.5</gadget>
<output>1_287.5</output>

<result>1_287.5</result>