At peak season, 6 packs of tuna fish are sold per hour, while in a low season 4 tuna packs are sold per hour. If each tuna pack is sold at $60, How much more money is made in a day during a high season than a low season if the fish are sold for 15 hours?
6 packs of tuna fish are sold per hour. If the sales are made for 15 hours, the total number of packs sold is 4=6*15 = 
<gadget id="calculator">6*15</gadget>
<output>90</output>
90 packs.
At $60 per pack, during a high season, the total sales in 15 hours are 90*$60 = $
<gadget id="calculator">90*60</gadget>
<output>5_400</output>
5400
4 packs of tuna fish are sold per hour. If the sales are made for 15 hours, the total number of packs sold is 4*15 = 
<gadget id="calculator">4*15</gadget>
<output>60</output>
60 packs.
At $60 per pack, during a low season, the total sales in 15 hours are 60*$60 = $
<gadget id="calculator">60*60</gadget>
<output>3_600</output>
3600.
The amount of money that is made after 15 hours during a high season than a low season is $5400-$3600 = $
<gadget id="calculator">5400-3600</gadget>
<output>1_800</output>
1800.

<result>1_800</result>