Keaton has a farm of oranges and apples. He can harvest his oranges every 2 months and can sell the harvest for $50.  He can harvest his apples every 3 months and can sell this harvest for $30. How much money can Keaton earn every year?
Keaton can harvest his oranges every year is 12/2=
<gadget id="calculator">12/2</gadget>
<output>6</output>
6 times.
So the total money he earns for his oranges every year is $50 x 6 = 
<gadget id="calculator">50*6</gadget>
<output>300</output>
300.
He can harvest his apples 12/3= 
<gadget id="calculator">12/3</gadget>
<output>4</output>
4 times in a year.
So the total money he earns for the apple in a year is $30 x 4 = 
<gadget id="calculator">30*4</gadget>
<output>120</output>
120.
Therefore, the total money he earns for his oranges and apples is $300 + $120 = $
<gadget id="calculator">300+120</gadget>
<output>420</output>
420.

<result>420</result>