There is 200ml of water in a measuring cup. When a tomato is put in, the water level rises to 350ml. What is the volume of this tomato?
一个量杯里装有200ml的水，当放入一个西红柿后水面上升到350ml，这个西红柿的体积是多少？
<gadget id="calculator">350 - 200</gadget>
<output>150</output>

<result>150</result>