There is a pile of chemical fertilizers, 35 trucks are transported away, each truck has 4 tons, and there are 23 tons left. How many tons is this pile of fertilizer?
有一堆化肥，运走35车，每车4吨，还剩23吨．这堆化肥共有多少吨？
<gadget id="calculator">35 * 4</gadget>
<output>140</output>

<gadget id="calculator">140 + 23</gadget>
<output>163</output>

<result>163</result>