Mr. Wang’s house needs to be renovated, and the left and right walls are to be decorated with bricks. The wall is 2 meters long and 3 meters high. Use tiles with a length of 20 cm and a width of 6 cm. Each tile costs 0.5 yuan. How much does it cost to cover?
王老师家要装修房子，在左右两面墙上贴墙砖，墙长2米，高3米，用长20厘米、宽6厘米的瓷砖，每块瓷砖0.5元．要铺满共需多少钱？
<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">20 * 6</gadget>
<output>120</output>

<gadget id="calculator">2 / 120</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">200 * 300 * (1/60) * 0.5</gadget>
<output>500</output>

<result>500</result>