A bag of rice weighs (1/20) tons, and a truck with a vehicle load of 3 tons, after loading 45 bags of rice, how many more bags can it hold?
一袋大米重(1/20)吨，车辆载重3吨的卡车，装了45袋大米后，还可以装多少袋？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3 / (1/20)</gadget>
<output>60</output>

<gadget id="calculator">60 - 45</gadget>
<output>15</output>

<result>15</result>