Mushrooms in the market are 4.90 yuan per kilogram, eggplants are 5.10 yuan per kilogram, and Aunt Wang buys 1.5 kilograms of each of the two vegetables. How much is the total cost?
市场上蘑菇每千克4.90元，茄子每千克5.10元，王阿姨两种菜各买1.5千克，共需多少元？
<gadget id="calculator">4.9 + 5.1</gadget>
<output>10</output>

<gadget id="calculator">10 * 1.5</gadget>
<output>15</output>

<result>15</result>