pile of sweet potatoes weighs 360 kilograms, and 270 kilograms have been eaten. The rest is planned to eat 15 kilograms a day. How many days is enough?
一堆地瓜360千克，已经吃了270千克，剩下的计划每天吃15千克，还够吃多少天？
<gadget id="calculator">360 - 270</gadget>
<output>90</output>

<gadget id="calculator">90 / 15</gadget>
<output>6</output>

<result>6</result>