There are 169 hectares of wheat on the farm, and 39 hectares are harvested in 3 days. According to this calculation, how many days will it take to harvest the remaining wheat?
农场有小麦169公顷，抢3天收割39公顷，照这样计算剩下的小麦还需多少天才能收割完？
<gadget id="calculator">169 - 39</gadget>
<output>130</output>

<gadget id="calculator">39 / 3</gadget>
<output>13</output>

<gadget id="calculator">130 / 13</gadget>
<output>10</output>

<result>10</result>