A cylindrical oil drum has a base diameter of 60 cm and a height of 50 cm. If each cubic decimeter can hold 0.75 kilograms of gasoline, how many kilograms of gasoline can this barrel hold?
一个圆柱形油桶，底面直径60厘米，高50厘米．如果每立方分米可装汽油0.75千克，这个油桶可装汽油多少千克？
<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">50 / 10</gadget>
<output>5</output>

<gadget id="calculator">3.14 * 3 * 3 * 5</gadget>
<output>141.3</output>

<gadget id="calculator">0.75 * 141.3</gadget>
<output>105.975</output>

<result>105.975</result>