There are 148 tons of goods in a certain warehouse, which have been transported 4 times, with an average of 14.5 tons each time. The remaining goods have to be shipped 6 times. How many tons should be transported each time on average?
某仓库有货物148吨，已经运了4次，平均每次运走14.5吨，剩下的货物要6次运完，平均每次应运多少吨？
<gadget id="calculator">14.5 * 4</gadget>
<output>58</output>

<gadget id="calculator">148 - 58</gadget>
<output>90</output>

<gadget id="calculator">90 / 6</gadget>
<output>15</output>

<result>15</result>