A trapezoidal plank has a bottom of 150 cm, a bottom of 25 decimeters, and a height of 2 meters. Paint it and its front and back sides. If 0.3 kg of paint is used per square meter, how many kg of paint will be used to paint the board?
一块梯形木板上底150厘米，下底25分米，高2米，在它和正反两面涂油漆，如果每平方米用油漆0.3千克，那么涂完这块木板共用油漆多少千克？
<gadget id="calculator">1.5 + 2.5</gadget>
<output>4</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">4 * 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 2 * 0.3</gadget>
<output>2.4</output>

<result>2.4</result>