If there are sixty-five dolphins in the ocean, and three times that number joins in from a river which has its mouth at the ocean, calculate the total number of dolphins in the ocean.
When three times the number of dolphins in the ocean joins in from a river, the number of dolphins in the ocean increases by 3 *65 = 
<gadget id="calculator">3*65</gadget>
<output>195</output>
195.
The total number of dolphins in the ocean increases to 195+65 = 
<gadget id="calculator">195+65</gadget>
<output>260</output>
260.

<result>260</result>