The total area of Xiamen City is about 1700 square kilometers, which is 36 square kilometers more than 13 times the area of Xiamen Island. How many square kilometers is the area of Xiamen Island?
厦门市全市共有面积约1700平方千米，比厦门岛面积的13倍还多36平方千米，求厦门岛面积有多少平方千米？
<gadget id="calculator">1_700 - 36</gadget>
<output>1_664</output>

<gadget id="calculator">1_664 / 13</gadget>
<output>128</output>

<result>128</result>