The experimental primary school needs to buy a fairy tale book for each of the fourth and fifth grade students at a price of 18 yuan. It is known that there are 116 students in the fourth grade and 128 students in the fifth grade. How much does it cost to buy a fairy tale book for each of the two grades? Yuan money?
实验小学要为四、五年级的同学每人买一本价格是18元的童话书，已知四年级有116人，五年级有128人，两个年级每人买一本童话书共需要多少元钱？
<gadget id="calculator">116 + 128</gadget>
<output>244</output>

<gadget id="calculator">18 * 244</gadget>
<output>4_392</output>

<result>4_392</result>