(1234+2314+3412+4123)/(1+2+3+4)=how much.
(1234+2314+3412+4123)/(1+2+3+4)=多少．
<gadget id="calculator">1 + 2 + 3 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 1_000</gadget>
<output>10_000</output>

<gadget id="calculator">10 * 100</gadget>
<output>1_000</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">10 * 1</gadget>
<output>10</output>

<gadget id="calculator">10_000 + 1_000 + 100 + 10</gadget>
<output>11_110</output>

<gadget id="calculator">11_110 / 10</gadget>
<output>1_111</output>

<result>1_111</result>