The fourth grade planted 178 trees, and the fifth grade planted 16 trees three times more than the fourth grade. How many trees were planted in the fourth and fifth grades?
四年级种树178棵，五年级种的比四年级的3倍还多16棵，四、五年级共种树多少棵？
<gadget id="calculator">178 * 3</gadget>
<output>534</output>

<gadget id="calculator">534 + 16 + 178</gadget>
<output>728</output>

<result>728</result>