260 tons of cement were shipped to the construction site, 98 tons were used in the first week, and the same amount of tons was used in the second week as in the first week. How many tons of this batch of cement are left?
工地运来260吨水泥，第一周用去98吨，第二周用去的吨数与第一周同样多．这批水泥还剩下多少吨？
<gadget id="calculator">98 + 98</gadget>
<output>196</output>

<gadget id="calculator">260 - 196</gadget>
<output>64</output>

<result>64</result>