Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Rory collects rainwater. He has 100 L of rainwater in his tank. During a heavy rainstorm, water flows into the tank at a rate of 2 L/min for 90 minutes. How much water is in the tank at the end of the heavy rain?

### Response:
 Wakati wa mvua kubwa, tangi inakusanya lita 2 * 90 = <<2*90=180>>180 za maji
Tangi ina jumla ya lita 180 + 100 = <<180+100=280>>280 za maji