There are 4 large pillars in front of the door of a restaurant, with a diameter of 60 cm and a height of 5 meters. If the painter is paid 5 yuan per square meter, how much will it cost to paint these columns?
某饭店的门前有4根大柱子，直径为60厘米，高为5米．如果每平方米付油漆工5元，油漆这些柱子要付多少工钱？
<gadget id="calculator">3.14 * 0.6 * 5 * 4</gadget>
<output>37.68</output>

<gadget id="calculator">37.68 * 5</gadget>
<output>188.4</output>

<result>188.4</result>