A wire is 150 meters long, 32 meters are used for the first time, and 48 meters are used for the second time, how many meters are left? What is the column
一根铁丝长150米，第一次用去32米，第二次用去48米，还剩多少米？列式为多少
<gadget id="calculator">150 - 32 - 48</gadget>
<output>70</output>

<result>70</result>