Calculation: ((123/456)+(123123/456456)+(123123123/456456456))/(123123123123/456456456456).
计算：((123/456)+(123123/456456)+(123123123/456456456))/(123123123123/456456456456)．
<gadget id="calculator">123 / 456</gadget>
<output>41/152 = around 0.269737</output>

<gadget id="calculator">123_123 / 456_456</gadget>
<output>41/152 = around 0.269737</output>

<gadget id="calculator">123_123_123 / 456_456_456</gadget>
<output>41/152 = around 0.269737</output>

<gadget id="calculator">(41/152) + (41/152) + (41/152)</gadget>
<output>123/152 = around 0.809211</output>

<gadget id="calculator">123_123_123_123 / 456_456_456_456</gadget>
<output>41/152 = around 0.269737</output>

<gadget id="calculator">(123/152) / (41/152)</gadget>
<output>3</output>

<result>3</result>