There are 256 butterflies in the garden, and the number of bees is 15 more than three times the number of butterflies. How many bees are there?
花园里有蝴蝶256只，蜜蜂的只数比蝴蝶的3倍多15只．蜜蜂有多少只？
<gadget id="calculator">256 * 3</gadget>
<output>768</output>

<gadget id="calculator">768 + 15</gadget>
<output>783</output>

<result>783</result>