A silicon solar cell array, with a collection efficiency of 13%, is required to produce 1.5 kW of power to run?

A silicon solar cell array, with a collection efficiency of 13%, is required to produce 1.5 kW of power to run a small pump. If the array is positioned to collect 340 Wm-2 of energy from the sun, how large an area (in m2) does the array need to be to achieve the desired output?

show calculation please