The tofu factory used 246.5 kilograms of soybeans in the first half of the month, and 48.55 kilograms more in the second half than the first half. How many kilograms of soybeans are used in this month?
豆腐厂上半月用黄豆246.5千克，下半月比上半月多用48.55千克，这个月共用黄豆多少千克？
<gadget id="calculator">246.5 + 48.55 + 246.5</gadget>
<output>541.55</output>

<result>541.55</result>