A pile of yellow sand weighs 150 tons, and it has been transported 13 times by a truck with a load of 8 tons. How many tons are left?
一堆黄沙有150吨，用载重8吨的卡车运了13次，还剩多少吨．
<gadget id="calculator">8 * 13</gadget>
<output>104</output>

<gadget id="calculator">150 - 104</gadget>
<output>46</output>

<result>46</result>