Calculation: (12.345+23.451+34.512+45.123+51.234)/(1+2+3+4+5)=how much.
计算：(12.345+23.451+34.512+45.123+51.234)/(1+2+3+4+5)=多少．
<gadget id="calculator">1 + 2 + 3 + 4 + 5</gadget>
<output>15</output>

<gadget id="calculator">12.345 + 23.451 + 34.512 + 45.123 + 51.234</gadget>
<output>166.665</output>

<gadget id="calculator">166.665 / 15 / 15</gadget>
<output>0.740733</output>

<gadget id="calculator">15 * 0.740733</gadget>
<output>11.110995</output>

<result>11.110995</result>