Calculation: 20140601=13*(1000000+13397*how much)
计算：20140601=13*(1000000+13397*多少)
<gadget id="calculator">13 * 1_000_000</gadget>
<output>13_000_000</output>

<gadget id="calculator">20_140_601 - 13_000_000</gadget>
<output>7_140_601</output>

<gadget id="calculator">13 * 13_397</gadget>
<output>174_161</output>

<gadget id="calculator">7_140_601 / 174_161</gadget>
<output>41</output>

<result>41</result>